title: Mental handicap and double-blind trial design.
authors.forename: R
authors.initials: R
authors.lastname: Dark
authors.forename: E
authors.initials: E
authors.lastname: Rogers
mesh_terms: D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D008607:Intellectual Disability / Q000188:drug therapy*; D008094:Lithium / Q000627:therapeutic use*; D012107:Research Design
chemical_list: D008094:Lithium