title: Some problems of cluttering.
mesh_terms: D001519:Behavior; D003937:Diagnosis, Differential; D004569:Electroencephalography; D006801:Humans; D010554:Personality Disorders / Q000150:complications; D013064:Speech Disorders / Q000150:complications* / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D013342:Stuttering / Q000175:diagnosis