title: Interim analysis clarification.
authors.forename: M R
authors.initials: MR
authors.lastname: Liebowitz
authors.forename: E B
authors.initials: EB
authors.lastname: Foa
authors.forename: M J
authors.initials: MJ
authors.lastname: Kozak
mesh_terms: D001521:Behavior Therapy; D002997:Clomipramine / Q000627:therapeutic use*; D003131:Combined Modality Therapy; D006801:Humans; D009771:Obsessive-Compulsive Disorder / Q000188:drug therapy / Q000523:psychology / Q000628:therapy*; D010352:Patient Dropouts; D010919:Placebos; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome
chemical_list: D010919:Placebos; D002997:Clomipramine