title: Re: Measure once or twice--does it really matter?
authors.forename: K
authors.initials: K
authors.lastname: James
authors.forename: E
authors.initials: E
authors.lastname: Eisenhauer
authors.forename: P
authors.initials: P
authors.lastname: Therasse
mesh_terms: D018450:Disease Progression; D006801:Humans; D007391:International Cooperation; D009369:Neoplasms / Q000628:therapy*; D017063:Outcome Assessment, Health Care / Q000592:standards*; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D012107:Research Design