{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T14:31:35Z","timestamp":1773325895745,"version":"3.50.1"},"reference-count":20,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2012,9,1]],"date-time":"2012-09-01T00:00:00Z","timestamp":1346457600000},"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":["Journal of Voice"],"published-print":{"date-parts":[[2012,9]]},"DOI":"10.1016\/j.jvoice.2011.07.008","type":"journal-article","created":{"date-parts":[[2011,11,16]],"date-time":"2011-11-16T04:53:39Z","timestamp":1321419219000},"page":"669.e11-669.e15","source":"Crossref","is-referenced-by-count":26,"title":["Glottal Contact Quotient in Mediterranean Tongue Trill"],"prefix":"10.1016","volume":"26","author":[{"given":"Abdul-latif","family":"Hamdan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jihad","family":"Nassar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zeid","family":"Al Zaghal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eleine","family":"El-Khoury","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marwa","family":"Bsat","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dollen","family":"Tabri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.jvoice.2011.07.008_bib1","series-title":"Professional Voice: The Science and Art of Clinical Care","author":"Sataloff","year":"1991"},{"key":"10.1016\/j.jvoice.2011.07.008_bib2","series-title":"Grounds in Speech Therapy: Treating Voice Disorders","author":"Pinho","year":"2003"},{"key":"10.1016\/j.jvoice.2011.07.008_bib3","series-title":"Evaluation and Treatment of Voice Disorders","author":"Behlau","year":"1995"},{"key":"10.1016\/j.jvoice.2011.07.008_bib4","first-page":"83","article-title":"Vocal warming techniques used by theater teachers","volume":"6","author":"Aydos","year":"2004","journal-title":"Rev CEFAC"},{"key":"10.1016\/j.jvoice.2011.07.008_bib5","series-title":"Singing-Diction","author":"Perell\u00f3","year":"1975"},{"key":"10.1016\/j.jvoice.2011.07.008_bib6","doi-asserted-by":"crossref","first-page":"2903","DOI":"10.1121\/1.402927","article-title":"Tongue-tip trills and vocal-tract wall compliance","volume":"91","author":"McGowan","year":"1992","journal-title":"J Acoust Soc Am"},{"key":"10.1016\/j.jvoice.2011.07.008_bib7","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1016\/j.jvoice.2007.03.012","article-title":"The effect of a voiced lip trill on estimated glottal closed quotient","volume":"22","author":"Gaskill","year":"2008","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib8","doi-asserted-by":"crossref","first-page":"448","DOI":"10.1044\/1092-4388(2006\/035)","article-title":"Voice training and therapy with a semi-occluded vocal tract: rationale and scientific underpinnings","volume":"49","author":"Titze","year":"2006","journal-title":"J Speech Lang Hear Res"},{"key":"10.1016\/j.jvoice.2011.07.008_bib9","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.jvoice.2008.05.004","article-title":"The effect of an artificially lengthened vocal tract on estimated glottal contact quotient in untrained male voices","volume":"24","author":"Gaskill","year":"2010","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib10","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/S0892-1997(05)80123-7","article-title":"Electroglottography","volume":"6","author":"Baken","year":"1992","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib11","doi-asserted-by":"crossref","first-page":"146","DOI":"10.1016\/j.jvoice.2008.08.004","article-title":"Electroglottographic evaluation of age and gender effects during sustained phonation and connected speech","volume":"24","author":"Ma","year":"2010","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib12","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1016\/S0892-1997(05)80019-0","article-title":"Clinical applications of electroglottography","volume":"4","author":"Kitzing","year":"1990","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib13","doi-asserted-by":"crossref","first-page":"234","DOI":"10.1159\/000265659","article-title":"Photo- and electroglottographical recording of the laryngeal vibratory pattern during different registers","volume":"34","author":"Kitzing","year":"1982","journal-title":"Folia Phoniatr (Basel)"},{"key":"10.1016\/j.jvoice.2011.07.008_bib14","doi-asserted-by":"crossref","first-page":"280","DOI":"10.1159\/000265871","article-title":"Electroglottographic study of the changes of voice registers","volume":"39","author":"Roubeau","year":"1987","journal-title":"Folia Phoniatr (Basel)"},{"key":"10.1016\/j.jvoice.2011.07.008_bib15","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1159\/000266371","article-title":"Phonation into a tube as a voice training method: acoustic and physiologic observations","volume":"47","author":"Laukkanan","year":"1995","journal-title":"Folia Phoniatr Logop"},{"key":"10.1016\/j.jvoice.2011.07.008_bib16","first-page":"51","article-title":"Lip and tongue trills\u2014what do they do for us?","volume":"52","author":"Titze","year":"1996","journal-title":"J Sing"},{"key":"10.1016\/j.jvoice.2011.07.008_bib17","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/S0892-1997(05)80108-0","article-title":"Phonatory control in male singing: a study of the effects of subglottal pressure, fundamental frequency, and mode of phonation on the voice source","volume":"7","author":"Sundberg","year":"1993","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib18","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1016\/S0892-1997(00)80003-X","article-title":"Acoustic impedance of an artificially lengthened and constricted vocal tract","volume":"14","author":"Story","year":"2000","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2011.07.008_bib19","unstructured":"Cordeiro GF, Montagnoli AN, Nemr NK, Menezes MH, Tsuji DH. Comparative analysis of the closed quotient for lip and tongue trills in relation to the sustained vowel \/\u03b5\/. J Voice. [E-pub ahead of print]."},{"key":"10.1016\/j.jvoice.2011.07.008_bib20","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1121\/1.415960","article-title":"Vocal tract area functions from magnetic resonance imaging","volume":"100","author":"Story","year":"1996","journal-title":"J Acoust Soc Am"}],"container-title":["Journal of Voice"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0892199711001147?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0892199711001147?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,11,28]],"date-time":"2018-11-28T14:29:01Z","timestamp":1543415341000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0892199711001147"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,9]]},"references-count":20,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2012,9]]}},"alternative-id":["S0892199711001147"],"URL":"https:\/\/doi.org\/10.1016\/j.jvoice.2011.07.008","relation":{},"ISSN":["0892-1997"],"issn-type":[{"value":"0892-1997","type":"print"}],"subject":[],"published":{"date-parts":[[2012,9]]}}}