title: DSM-III-R anxiety classification: impact on psychopharmacology clinical trials.
authors.forename: M R
authors.initials: MR
authors.lastname: Liebowitz
mesh_terms: D001007:Anxiety / Q000145:classification* / Q000188:drug therapy / Q000523:psychology; D002986:Clinical Trials as Topic; D006801:Humans; D011600:Psychopharmacology