title: Progression-free versus overall survival and adequate powering in randomised studies.
authors.forename: Nishma
authors.initials: N
authors.lastname: Manek
authors.forename: Christos
authors.initials: C
authors.lastname: Apostolopoulos
authors.forename: Justin
authors.initials: J
authors.lastname: Stebbing
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D010051:Ovarian Neoplasms / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D012107:Research Design; D016019:Survival Analysis; D016896:Treatment Outcome