{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T10:44:55Z","timestamp":1778582695037,"version":"3.51.4"},"reference-count":14,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[1999,11,1]],"date-time":"1999-11-01T00:00:00Z","timestamp":941414400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computers in Biology and Medicine"],"published-print":{"date-parts":[[1999,11]]},"DOI":"10.1016\/s0010-4825(99)00018-9","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T23:00:13Z","timestamp":1027638013000},"page":"393-406","source":"Crossref","is-referenced-by-count":44,"title":["Determining the Hurst exponent of fractal time series and its application to electrocardiographic analysis"],"prefix":"10.1016","volume":"29","author":[{"given":"Paolo B.","family":"DePetrillo","sequence":"first","affiliation":[]},{"given":"d'Armond","family":"Speers","sequence":"additional","affiliation":[]},{"given":"Urs E.","family":"Ruttimann","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/S0010-4825(99)00018-9_BIB1","first-page":"R40","article-title":"On the fractal nature of heart rate variability in humans:effects of data length and \u03b2-adrenergic blockade","volume":"266","author":"Yamamoto","year":"1994","journal-title":"American Journal of Physiology"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB2","doi-asserted-by":"crossref","first-page":"1376","DOI":"10.1016\/0002-8703(94)90059-0","article-title":"Heart rate variability: a measure of cardiac autonomic tone","volume":"127","author":"Stein","year":"1994","journal-title":"American Heart Journal"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB3","doi-asserted-by":"crossref","first-page":"422","DOI":"10.1137\/1010093","article-title":"Fractional Brownian motions, fractional noises and applications","volume":"10","author":"Mandelbrot","year":"1968","journal-title":"SIAM Review"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB4","series-title":"Fractals","author":"Feder","year":"1988"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB5","series-title":"Scaling Phenomena in Disordered Systems","article-title":"Random fractals: characterization and measurement","author":"Voss","year":"1985"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB6","series-title":"The Science of Fractal Images","author":"Barnsley","year":"1988"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB7","doi-asserted-by":"crossref","first-page":"1223","DOI":"10.1152\/jappl.1996.81.3.1223","article-title":"Effects of acute exposure to stimulated altitude on heart rate variability during exercise","volume":"81","author":"Yamamoto","year":"1996","journal-title":"Journal of Applied Physiology"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB8","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1007\/BF02584449","article-title":"Evaluation of the dispersional analysis method for fractal time series","volume":"23","author":"Bassingthwaighte","year":"1995","journal-title":"Annals of Biomedical Engineering"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB9","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1007\/BF02648114","article-title":"comparison of analytical methods for the study of fractional brownian motion","volume":"24","author":"Fischer","year":"1996","journal-title":"Annals of Biomedical Engineering"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB10","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1007\/BF02691332","article-title":"Non-equilibrium dynamics as an indispensable characteristic of a healthy biological system","volume":"29","author":"Peng","year":"1994","journal-title":"Integrative Physiological and Behavioral Science"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB11","doi-asserted-by":"crossref","first-page":"543","DOI":"10.1042\/cs0920543","article-title":"Fractal component of variability of heart rate and systolic pressure in congestive heart failure","volume":"92","author":"Butler","year":"1993","journal-title":"Clinical Science"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB12","doi-asserted-by":"crossref","first-page":"779","DOI":"10.1016\/S0002-9149(97)00516-X","article-title":"Dynamic analysis of heart rate may predict subsequent ventricular tachycardia after myocardial infarction","volume":"80","author":"Makikallio","year":"1997","journal-title":"American Journal of Cardiology"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB13","doi-asserted-by":"crossref","first-page":"714","DOI":"10.1016\/0002-9149(88)91208-8","article-title":"Correlation of heart rate variability with clinical and angiographic variables and late mortality after coronary angiography","volume":"62","author":"Rich","year":"1988","journal-title":"American Journal of Cardiology"},{"key":"10.1016\/S0010-4825(99)00018-9_BIB14","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1016\/S0002-9149(98)01076-5","article-title":"Fractal analysis of heart rate dynamics as a predictor of mortality in patients with depressed left ventricular function after acute myocardial infarction. TRACE Investigators. TRAndolapril Cardiac Evaluation","volume":"83","author":"Makikallio","year":"1999","journal-title":"American Journal of Cardiology"}],"container-title":["Computers in Biology and Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010482599000189?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0010482599000189?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,2,5]],"date-time":"2020-02-05T01:33:14Z","timestamp":1580866394000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0010482599000189"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1999,11]]},"references-count":14,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1999,11]]}},"alternative-id":["S0010482599000189"],"URL":"https:\/\/doi.org\/10.1016\/s0010-4825(99)00018-9","relation":{},"ISSN":["0010-4825"],"issn-type":[{"value":"0010-4825","type":"print"}],"subject":[],"published":{"date-parts":[[1999,11]]}}}