In defence of international classification.
D003937:Diagnosis, Differential; D006801:Humans; D007391:International Cooperation; D008370:Manuals as Topic; D001523:Mental Disorders / Q000145:classification* / Q000175:diagnosis; D019964:Mood Disorders / Q000145:classification; D011618:Psychotic Disorders / Q000145:classification; D012559:Schizophrenia / Q000145:classification