{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T05:20:36Z","timestamp":1769836836946,"version":"3.49.0"},"reference-count":60,"publisher":"Springer Science and Business Media LLC","issue":"11","license":[{"start":{"date-parts":[[2017,3,30]],"date-time":"2017-03-30T00:00:00Z","timestamp":1490832000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Med Biol Eng Comput"],"published-print":{"date-parts":[[2017,11]]},"DOI":"10.1007\/s11517-017-1642-x","type":"journal-article","created":{"date-parts":[[2017,3,30]],"date-time":"2017-03-30T10:33:20Z","timestamp":1490870000000},"page":"1989-2000","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Increasing accuracy of pulse transit time measurements by automated elimination of distorted photoplethysmography waves"],"prefix":"10.1007","volume":"55","author":[{"given":"Marit H. N.","family":"van Velzen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arjo J.","family":"Loeve","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sjoerd P.","family":"Niehof","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Egbert G.","family":"Mik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2017,3,30]]},"reference":[{"issue":"3","key":"1642_CR1","doi-asserted-by":"crossref","first-page":"R1","DOI":"10.1088\/0967-3334\/28\/3\/R01","volume":"28","author":"J Allen","year":"2007","unstructured":"Allen J (2007) Photoplethysmography and its application in clinical physiological measurement. Physiol Meas 28(3):R1\u2013R39","journal-title":"Physiol Meas"},{"issue":"4","key":"1642_CR2","doi-asserted-by":"crossref","first-page":"794","DOI":"10.1016\/j.jvs.2007.11.057","volume":"47","author":"J Allen","year":"2008","unstructured":"Allen J et al (2008) A prospective comparison of bilateral photoplethysmography versus the ankle-brachial pressure index for detecting and quantifying lower limb peripheral arterial disease. J Vasc Surg 47(4):794\u2013802","journal-title":"J Vasc Surg"},{"issue":"2","key":"1642_CR3","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1088\/0967-3334\/33\/2\/231","volume":"33","author":"J Allen","year":"2012","unstructured":"Allen J et al (2012) Chronic fatigue syndrome and impaired peripheral pulse characteristics on orthostasisa new potential diagnostic biomarker. Physiol Meas 33(2):231\u2013241","journal-title":"Physiol Meas"},{"issue":"6","key":"1642_CR4","doi-asserted-by":"crossref","first-page":"674","DOI":"10.1007\/BF02344874","volume":"38","author":"A Babchenko","year":"2000","unstructured":"Babchenko A et al (2000) Increase in pulse transit time to the foot after epidural anaesthesia treatment. Med Biol Eng Comput 38(6):674\u2013679","journal-title":"Med Biol Eng Comput"},{"key":"1642_CR5","unstructured":"Billauer E (2012) Peakdet. http:\/\/billauer.co.il\/peakdet.html . p. Detect peaks in a vector"},{"issue":"18","key":"1642_CR6","doi-asserted-by":"crossref","first-page":"2434","DOI":"10.1161\/01.CIR.99.18.2434","volume":"99","author":"J Blacher","year":"1999","unstructured":"Blacher J et al (1999) Impact of aortic stiffness on survival in end-stage renal disease. Circulation 99(18):2434\u20132439","journal-title":"Circulation"},{"issue":"19","key":"1642_CR7","doi-asserted-by":"crossref","first-page":"2338","DOI":"10.1093\/eurheartj\/ehq165","volume":"31","author":"P Boutouyrie","year":"2010","unstructured":"Boutouyrie P, Vermeersch SJ (2010) Determinants of pulse wave velocity in healthy people and in the presence of cardiovascular risk factors: establishing normal and reference values. Eur Heart J 31(19):2338\u20132350","journal-title":"Eur Heart J"},{"issue":"9","key":"1642_CR8","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1507\/endocrj.EJ11-0030","volume":"58","author":"DS Chandran","year":"2011","unstructured":"Chandran DS et al (2011) Impaired endothelium mediated vascular reactivity in endogenous Cushing\u2019s syndrome. Endocr J 58(9):789\u2013799","journal-title":"Endocr J"},{"key":"1642_CR9","unstructured":"Clifford GD (2008) Rpeakdetect function (ECG toolbox)"},{"key":"1642_CR10","doi-asserted-by":"crossref","unstructured":"Cox P et al (2008) Investigation of photoplethysmogram morphology for the detection of hypovolemic states","DOI":"10.1109\/IEMBS.2008.4650456"},{"issue":"16","key":"1642_CR11","doi-asserted-by":"crossref","first-page":"2085","DOI":"10.1161\/01.CIR.0000033824.02722.F7","volume":"106","author":"K Cruickshank","year":"2002","unstructured":"Cruickshank K et al (2002) Aortic pulse-wave velocity and its relationship to mortality in diabetes and glucose intolerance: an integrated index of vascular function? Circulation 106(16):2085\u20132090","journal-title":"Circulation"},{"issue":"4","key":"1642_CR12","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1007\/s10877-007-9080-1","volume":"21","author":"JYA Foo","year":"2007","unstructured":"Foo JYA (2007) Normality of upper and lower peripheral pulse transit time of normotensive and hypertensive children. J Clin Monit Comput 21(4):243\u2013248","journal-title":"J Clin Monit Comput"},{"issue":"3","key":"1642_CR13","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1177\/0003319707305465","volume":"59","author":"JYA Foo","year":"2008","unstructured":"Foo JYA (2008) Bilateral transit time assessment of upper and lower limbs as a surrogate ankle brachial index marker. Angiology 59(3):283\u2013289","journal-title":"Angiology"},{"issue":"3","key":"1642_CR14","doi-asserted-by":"crossref","first-page":"221","DOI":"10.1007\/s10877-006-9024-1","volume":"20","author":"JYA Foo","year":"2006","unstructured":"Foo JYA, Lim CS (2006) Dual-channel photoplethysmography to monitor local changes in vascular stiffness. J Clin Monit Comput 20(3):221\u2013227","journal-title":"J Clin Monit Comput"},{"issue":"3","key":"1642_CR15","doi-asserted-by":"crossref","first-page":"248","DOI":"10.1515\/BMT.2007.043","volume":"52","author":"JYA Foo","year":"2007","unstructured":"Foo JYA, Lim CS (2007) Changes induced in the lower- and upper-limb pulse transit-time ratio during inspiratory resistive breathing. Biomed Tech 52(3):248\u2013254","journal-title":"Biomed Tech"},{"issue":"2","key":"1642_CR16","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1080\/03091900600632694","volume":"32","author":"JYA Foo","year":"2008","unstructured":"Foo JYA, Lim CS (2008) Difference in pulse transit time between populations: a comparison between Caucasian and Chinese children in Australia. J Med Eng Technol 32(2):162\u2013166","journal-title":"J Med Eng Technol"},{"issue":"4","key":"1642_CR17","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1007\/BF03178645","volume":"27","author":"JYA Foo","year":"2004","unstructured":"Foo JYA et al (2004) Motion artefact reduction of the photoplethysmographic signal in pulse transit time measurement. Australas Phys Eng Sci Med 27(4):165\u2013173","journal-title":"Australas Phys Eng Sci Med"},{"issue":"4","key":"1642_CR18","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1088\/0967-3334\/26\/4\/017","volume":"26","author":"JYA Foo","year":"2005","unstructured":"Foo JYA et al (2005) Variability in time delay between two models of pulse oximeters for deriving the photoplethysmographic signals. Physiol Meas 26(4):531\u2013544","journal-title":"Physiol Meas"},{"issue":"5","key":"1642_CR19","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1038\/sj.jhh.1002139","volume":"21","author":"JYA Foo","year":"2007","unstructured":"Foo JYA et al (2007) Pulse transit time ratio as a potential marker for paediatric crural and brachial blood pressure index. J Hum Hypertens 21(5):415\u2013417","journal-title":"J Hum Hypertens"},{"issue":"3","key":"1642_CR20","doi-asserted-by":"crossref","first-page":"156","DOI":"10.1515\/BMT.2008.023","volume":"53","author":"JYA Foo","year":"2008","unstructured":"Foo JYA et al (2008) Effects of poorly perfused peripheries on derived transit time parameters of the lower and upper limbs. Biomed Tech 53(3):156\u2013159","journal-title":"Biomed Tech"},{"issue":"3","key":"1642_CR21","doi-asserted-by":"crossref","first-page":"369","DOI":"10.2143\/AC.63.3.1020315","volume":"63","author":"JYA Foo","year":"2008","unstructured":"Foo JYA et al (2008) Effect of ethnicity and growth on ratio-based transit time surrogate ankle-brachial index marker from a Chinese children\u2019s perception. Acta Cardiol 63(3):369\u2013375","journal-title":"Acta Cardiol"},{"issue":"6","key":"1642_CR22","doi-asserted-by":"crossref","first-page":"1005","DOI":"10.1243\/09544119JEIM395","volume":"222","author":"JYA Foo","year":"2008","unstructured":"Foo JYA, Wilson SJ, Lim CS (2008) Use of the pulse transit time trend to relate tidal breathing and central respiratory events. Proc Inst Mech Eng [H] 222(6):1005\u20131011","journal-title":"Proc Inst Mech Eng [H]"},{"issue":"2","key":"1642_CR23","doi-asserted-by":"crossref","first-page":"141","DOI":"10.1007\/s10877-008-9115-2","volume":"22","author":"JYA Foo","year":"2008","unstructured":"Foo JYA, Wilson SJ, Wang P (2008) Factors that affect pulse wave time transmission in the monitoring of cardiovascular system. J Clin Monit Comput 22(2):141\u2013147","journal-title":"J Clin Monit Comput"},{"issue":"1","key":"1642_CR24","doi-asserted-by":"crossref","first-page":"71","DOI":"10.1111\/j.1469-8986.1981.tb01545.x","volume":"18","author":"LA Geddes","year":"1981","unstructured":"Geddes LA et al (1981) Pulse transit time as an indicator of arterial blood pressure. Psychophysiology 18(1):71\u201374","journal-title":"Psychophysiology"},{"issue":"5","key":"1642_CR25","doi-asserted-by":"crossref","first-page":"1079","DOI":"10.1109\/TBME.2009.2037734","volume":"57","author":"E Gil","year":"2010","unstructured":"Gil E et al (2010) PTT variability for discrimination of sleep apnea related decreases in the amplitude fluctuations of PPG signal in children. IEEE Trans Biomed Eng 57(5):1079\u20131088","journal-title":"IEEE Trans Biomed Eng"},{"issue":"11","key":"1642_CR26","doi-asserted-by":"crossref","first-page":"3149","DOI":"10.1109\/TBME.2013.2270083","volume":"60","author":"E Gil","year":"2013","unstructured":"Gil E et al (2013) Heart rate turbulence analysis based on photoplethysmography. IEEE Trans Biomed Eng 60(11):3149\u20133155","journal-title":"IEEE Trans Biomed Eng"},{"issue":"1","key":"1642_CR27","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1088\/0143-0815\/5\/1\/006","volume":"5","author":"P Gizdulich","year":"1984","unstructured":"Gizdulich P (1984) On a non-invasive evaluation of pulse wave velocity in human peripheral arteries. Clin Phys Physiol Meas 5(1):33\u201336","journal-title":"Clin Phys Physiol Meas"},{"issue":"3","key":"1642_CR28","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1007\/s10558-010-9098-8","volume":"10","author":"D Goswami","year":"2010","unstructured":"Goswami D, Chaudhuri K, Mukherjee J (2010) A new two-pulse synthesis model for digital volume pulse signal analysis. Cardiovasc Eng 10(3):109\u2013117","journal-title":"Cardiovasc Eng"},{"issue":"119","key":"1642_CR29","first-page":"334","volume":"119","author":"AB Hertzman","year":"1937","unstructured":"Hertzman AB, Spealman CR (1937) Observations on the finger volume pulse recorded photoelectrically. Am J Physiol 119(119):334\u2013335","journal-title":"Am J Physiol"},{"issue":"4","key":"1642_CR30","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1088\/0143-0815\/9\/4\/003","volume":"9","author":"JR Jago","year":"1988","unstructured":"Jago JR, Murray A (1988) Repeatability of peripheral pulse measurements on ears, fingers and toes using photoelectric plethysmography. Clin Phys Physiol Meas 9(4):319\u2013329","journal-title":"Clin Phys Physiol Meas"},{"issue":"1","key":"1642_CR31","doi-asserted-by":"crossref","first-page":"94","DOI":"10.1213\/ANE.0b013e318270a6d9","volume":"116","author":"SH Kim","year":"2013","unstructured":"Kim SH et al (2013) Beat-to-beat tracking of systolic blood pressure using noninvasive pulse transit time during anesthesia induction in hypertensive patients. Anesth Analg 116(1):94\u2013100","journal-title":"Anesth Analg"},{"issue":"10","key":"1642_CR32","doi-asserted-by":"crossref","first-page":"1228","DOI":"10.1111\/j.1399-6576.2012.02746.x","volume":"56","author":"MC Kortekaas","year":"2012","unstructured":"Kortekaas MC et al (2012) Pulse transit time as a quick predictor of a successful axillary brachial plexus block. Acta Anaesthesiol Scand 56(10):1228\u20131233","journal-title":"Acta Anaesthesiol Scand"},{"issue":"5","key":"1642_CR33","doi-asserted-by":"crossref","first-page":"1236","DOI":"10.1161\/01.HYP.37.5.1236","volume":"37","author":"S Laurent","year":"2001","unstructured":"Laurent S et al (2001) Aortic stiffness is an independent predictor of all-cause and cardiovascular mortality in hypertensive patients. Hypertension 37(5):1236\u20131241","journal-title":"Hypertension"},{"issue":"21","key":"1642_CR34","doi-asserted-by":"crossref","first-page":"2588","DOI":"10.1093\/eurheartj\/ehl254","volume":"27","author":"S Laurent","year":"2006","unstructured":"Laurent S et al (2006) Expert consensus document on arterial stiffness: methodological issues and clinical applications. Eur Heart J 27(21):2588\u20132605","journal-title":"Eur Heart J"},{"issue":"2","key":"1642_CR35","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1007\/s13246-014-0269-6","volume":"37","author":"Y Li","year":"2014","unstructured":"Li Y et al (2014) Characters available in photoplethysmogram for blood pressure estimation: beyond the pulse transit time. Australas Phys Eng Sci Med 37(2):367\u2013376","journal-title":"Australas Phys Eng Sci Med"},{"issue":"3","key":"1642_CR36","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1088\/0967-3334\/26\/3\/013","volume":"26","author":"JS Maltz","year":"2005","unstructured":"Maltz JS, Budinger TF (2005) Evaluation of arterial endothelial function using transit times of artificially induced pulses. Physiol Meas 26(3):293\u2013307","journal-title":"Physiol Meas"},{"issue":"2","key":"1642_CR37","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1016\/j.jelectrocard.2010.11.019","volume":"44","author":"M Mas\u00e8","year":"2011","unstructured":"Mas\u00e8 M et al (2011) Feasibility of cuff-free measurement of systolic and diastolic arterial blood pressure. J Electrocardiol 44(2):201\u2013207","journal-title":"J Electrocardiol"},{"key":"1642_CR38","doi-asserted-by":"crossref","unstructured":"McCombie DB et al (2007) Adaptive hydrostatic blood pressure calibration: development of a wearable, autonomous pulse wave velocity blood pressure monitor. In: Conference proceedings: annual international conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society conference, vol 2007, pp 370\u2013373","DOI":"10.1109\/IEMBS.2007.4352301"},{"issue":"3","key":"1642_CR39","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1111\/j.1475-097X.2008.00843.x","volume":"29","author":"PM Middleton","year":"2009","unstructured":"Middleton PM et al (2009) Changes in left ventricular ejection time and pulse transit time derived from finger photoplethysmogram and electrocardiogram during moderate haemorrhage. Clin Physiol Funct Imaging 29(3):163\u2013169","journal-title":"Clin Physiol Funct Imaging"},{"issue":"1","key":"1642_CR40","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1088\/0967-3334\/23\/1\/308","volume":"23","author":"M Nitzan","year":"2002","unstructured":"Nitzan M, Khanokh B, Slovik Y (2002) The difference in pulse transit time to the toe and finger measured by photoplethysmography. Physiol Meas 23(1):85\u201393","journal-title":"Physiol Meas"},{"key":"1642_CR41","doi-asserted-by":"crossref","unstructured":"Orini M, Citi L, Barbieri R (2012) Bivariate point process modeling and joint non-stationary analysis of pulse transit time and heart period. In: Conference proceedings: annual international conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society conference, vol 2012, pp 2831\u20132834","DOI":"10.1109\/EMBC.2012.6346553"},{"issue":"1","key":"1642_CR42","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1152\/japplphysiol.00657.2005","volume":"100","author":"RA Payne","year":"2006","unstructured":"Payne RA et al (2006) Pulse transit time measured from the ECG: an unreliable marker of beat-to-beat blood pressure. J Appl Physiol 100(1):136\u2013141","journal-title":"J Appl Physiol"},{"issue":"10","key":"1642_CR43","doi-asserted-by":"crossref","first-page":"1669","DOI":"10.1183\/09031936.95.08101669","volume":"8","author":"DJ Pitson","year":"1995","unstructured":"Pitson DJ et al (1995) Use of pulse transit time as a measure of inspiratory effort in patients with obstructive sleep apnoea. Eur Respir J 8(10):1669\u20131674","journal-title":"Eur Respir J"},{"key":"1642_CR44","doi-asserted-by":"crossref","unstructured":"Proen\u00e7a J et al (2010) Is pulse transit time a good indicator of blood pressure changes during short physical exercise in a young population? Buenos Aires","DOI":"10.1109\/IEMBS.2010.5626627"},{"issue":"2","key":"1642_CR45","doi-asserted-by":"crossref","first-page":"91","DOI":"10.4103\/2228-7477.95292","volume":"1","author":"H Rabbani","year":"2011","unstructured":"Rabbani H et al (2011) R peak detection in electrocardiogram signal based on an optimal combination of wavelet transform, hilbert transform, and adaptive thresholding. J Med Signals Sens 1(2):91\u201398","journal-title":"J Med Signals Sens"},{"issue":"5","key":"1642_CR46","doi-asserted-by":"crossref","first-page":"370","DOI":"10.1080\/03091900802454483","volume":"33","author":"N Selvaraj","year":"2009","unstructured":"Selvaraj N et al (2009) Influence of respiratory rate on the variability of blood volume pulse characteristics. J Med Eng Technol 33(5):370\u2013375","journal-title":"J Med Eng Technol"},{"issue":"5","key":"1642_CR47","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1007\/s10877-009-9199-3","volume":"23","author":"N Selvaraj","year":"2009","unstructured":"Selvaraj N et al (2009) Monitoring of reactive hyperemia using photoplethysmographic pulse amplitude and transit time. J Clin Monit Comput 23(5):315\u2013322","journal-title":"J Clin Monit Comput"},{"issue":"8","key":"1642_CR48","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1088\/0967-3334\/27\/8\/002","volume":"27","author":"XF Teng","year":"2006","unstructured":"Teng XF, Zhang YT (2006) The effect of applied sensor contact force on pulse transit time. Physiol Meas 27(8):675\u2013684","journal-title":"Physiol Meas"},{"key":"1642_CR49","doi-asserted-by":"crossref","unstructured":"Teng XF, Zhang YT (2006) An evaluation of a PTT-based method for noninvasive and cuffless estimation of arterial blood pressure. In: Conference proceedings: annual international conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society conference, vol 1, pp 6049\u20136052","DOI":"10.1109\/IEMBS.2006.260823"},{"issue":"8","key":"1642_CR50","doi-asserted-by":"crossref","first-page":"1490","DOI":"10.1109\/TBME.2007.900815","volume":"54","author":"XF Teng","year":"2007","unstructured":"Teng XF, Zhang YT (2007) Theoretical study on the effect of sensor contact force on pulse transit time. IEEE Trans Biomed Eng 54(8):1490\u20131498","journal-title":"IEEE Trans Biomed Eng"},{"issue":"1","key":"1642_CR51","doi-asserted-by":"crossref","first-page":"52","DOI":"10.1088\/0967-3334\/37\/1\/52","volume":"37","author":"MHN Velzen Van","year":"2015","unstructured":"Van Velzen MHN et al (2015) Effect of heat-induced pain stimuli on pulse transit time and pulse wave amplitude in healthy volunteers. Physiol Meas 37(1):52\u201366","journal-title":"Physiol Meas"},{"issue":"4","key":"1642_CR52","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1111\/jsr.12140","volume":"23","author":"A Vlahandonis","year":"2014","unstructured":"Vlahandonis A et al (2014) Pulse transit time as a surrogate measure of changes in systolic arterial pressure in children during sleep. J Sleep Res 23(4):406\u2013413","journal-title":"J Sleep Res"},{"issue":"10","key":"1642_CR53","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1007\/s00392-010-0168-0","volume":"99","author":"DR Wagner","year":"2010","unstructured":"Wagner DR et al (2010) Relationship between pulse transit time and blood pressure is impaired in patients with chronic heart failure. Clin Res Cardiol 99(10):657\u2013664","journal-title":"Clin Res Cardiol"},{"issue":"2","key":"1642_CR54","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1007\/BF02474741","volume":"9","author":"J Weinman","year":"1971","unstructured":"Weinman J, Sapoznikov D (1971) Equipment for continuous measurements of pulse wave velocities. Med Biol Eng Comput 9(2):125\u2013138","journal-title":"Med Biol Eng Comput"},{"key":"1642_CR55","volume-title":"A wearable vital signs monitor at the ear for continuous heart rate and pulse transit time measurements","author":"ES Winokur","year":"2012","unstructured":"Winokur ES, He DD, Sodini CG (2012) A wearable vital signs monitor at the ear for continuous heart rate and pulse transit time measurements. San Diego, CA"},{"key":"1642_CR56","doi-asserted-by":"crossref","unstructured":"Wong MM et al (2009) Contactless recording of photoplethysmogram on a sleeping bed.In: Conference proceedings: annual international conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society conference, vol 2009, pp 907\u2013910","DOI":"10.1109\/IEMBS.2009.5334560"},{"issue":"4","key":"1642_CR57","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1007\/s10916-008-9186-0","volume":"33","author":"Y Yoon","year":"2009","unstructured":"Yoon Y, Cho JH, Yoon G (2009) Non-constrained blood pressure monitoring using ECG and PPG for personal healthcare. J Med Syst 33(4):261\u2013266","journal-title":"J Med Syst"},{"issue":"7","key":"1642_CR58","doi-asserted-by":"crossref","first-page":"649","DOI":"10.1088\/0967-3334\/27\/7\/008","volume":"27","author":"XY Zhang","year":"2006","unstructured":"Zhang XY, Zhang YT (2006) The effect of local mild cold exposure on pulse transit time. Physiol Meas 27(7):649\u2013660","journal-title":"Physiol Meas"},{"issue":"8","key":"1642_CR59","doi-asserted-by":"crossref","first-page":"1032","DOI":"10.1016\/j.jbiomech.2009.02.011","volume":"42","author":"D Zheng","year":"2009","unstructured":"Zheng D, Murray A (2009) Non-invasive quantification of peripheral arterial volume distensibility and its non-linear relationship with arterial pressure. J Biomech 42(8):1032\u20131037","journal-title":"J Biomech"},{"key":"1642_CR60","unstructured":"Zheng Y et al (2012) A clip-free eyeglasses-based wearable monitoring device for measuring photoplethysmographic signals. In: Conference proceedings: annual international conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society conference, vol 2012, pp 5022\u20135025"}],"container-title":["Medical &amp; Biological Engineering &amp; Computing"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s11517-017-1642-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11517-017-1642-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11517-017-1642-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,10,4]],"date-time":"2020-10-04T16:59:29Z","timestamp":1601830769000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s11517-017-1642-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,3,30]]},"references-count":60,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2017,11]]}},"alternative-id":["1642"],"URL":"https:\/\/doi.org\/10.1007\/s11517-017-1642-x","relation":{},"ISSN":["0140-0118","1741-0444"],"issn-type":[{"value":"0140-0118","type":"print"},{"value":"1741-0444","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,3,30]]}}}