title: Disfluent speech behavior of preschool children, high school seniors, and geriatric persons.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000368:Aged; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D011581:Psychological Tests; D013060:Speech; D013342:Stuttering / Q000209:etiology*; D013637:Tape Recording