Vrious aspects of cluttering.
D000293:Adolescent; D001519:Behavior; D001530:Belgium; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007804:Language Development; D007806:Language Disorders / Q000150:complications / Q000175:diagnosis / Q000235:genetics; D008297:Male; D013064:Speech Disorders / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000209:etiology* / Q000235:genetics; D013342:Stuttering / Q000150:complications