title: A negative, double-blind, placebo-controlled, clinical trial of verapamil in chronic schizophrenia.
mesh_terms: D000293:Adolescent; D000328:Adult; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D011569:Psychiatric Status Rating Scales; D012559:Schizophrenia / Q000188:drug therapy*; D012565:Schizophrenic Psychology; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil