Speech dysfluency.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001290:Attitude; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents / Q000523:psychology; D012737:Sex Factors; D013070:Speech Therapy; D013342:Stuttering / Q000209:etiology / Q000503:physiopathology / Q000523:psychology / Q000628:therapy