title: [Gerontological studies on vocal range and vocal register].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010700:Phonetics; D012737:Sex Factors; D013060:Speech; D014827:Vocal Cords / Q000502:physiology; D014831:Voice
vernacular_title: Gerontologische Untersuchungen über Stimmumfang und Sprechstimmlage.