Pickar, D Repeated naloxone administration in schizophrenia: a phase II World Health Organization Study. [electronic resource] - Biological psychiatry Feb 1989 - 440-8 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0006-3223 Standard No.: 10.1016/0006-3223(89)90197-2 doi Subjects--Topical Terms: AdultBrain--drug effectsDouble-Blind MethodDrug EvaluationFemaleHumansInfusions, IntravenousMaleNaloxone--administration & dosageProspective StudiesPsychiatric Status Rating ScalesRandom AllocationReceptors, Opioid--drug effectsSchizophrenia--drug therapySchizophrenic PsychologyWorld Health Organization