Evaluation of tranquillisers with subnormal patients. 1. Some basic problems of design.
D000342:Affective Symptoms / Q000188:drug therapy; D005069:Evaluation Studies as Topic; D006801:Humans; D008607:Intellectual Disability / Q000188:drug therapy; D009729:Nursing; D014149:Tranquilizing Agents / Q000627:therapeutic use