title: Use of quality-of-life instruments in randomized clinical trials.
authors.forename: A
authors.initials: A
authors.lastname: Sommer
mesh_terms: D006801:Humans; D009316:National Institutes of Health (U.S.); D009885:Ophthalmology / Q000379:methods; D011788:Quality of Life; D016032:Randomized Controlled Trials as Topic; D014481:United States