title: Intractable obsessive-compulsive disorder: comorbidity with unrecognized adult attention-deficit hyperactivity disorder?
authors.affiliation: Department of Psychiatry, Vrije Universiteit Amsterdam, PCA Valeriuskliniek, The Netherlands.
authors.forename: C M
authors.initials: CM
authors.lastname: van der Feltz-Cornelis
mesh_terms: D000328:Adult; D000367:Age Factors; D001289:Attention Deficit Disorder with Hyperactivity / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology*; D015897:Comorbidity; D006801:Humans; D008297:Male; D008774:Methylphenidate / Q000627:therapeutic use; D009426:Netherlands / Q000453:epidemiology; D009771:Obsessive-Compulsive Disorder / Q000175:diagnosis / Q000453:epidemiology* / Q000523:psychology; D016896:Treatment Outcome
chemical_list: D008774:Methylphenidate