Berk, M A comparison of olanzapine with haloperidol in cannabis-induced psychotic disorder: a double-blind randomized controlled trial. [electronic resource] - International clinical psychopharmacology May 1999 - 177-80 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0268-1315 Subjects--Topical Terms: AdultAntipsychotic Agents--adverse effectsBenzodiazepinesCannabis--adverse effectsDouble-Blind MethodDyskinesia, Drug-Induced--epidemiologyFemaleHaloperidol--adverse effectsHumansMaleMiddle AgedOlanzapinePirenzepine--adverse effectsPsychiatric Status Rating ScalesPsychoses, Substance-Induced--drug therapy