title: A cooperative group report on quality-of-life research: lessons learned.
authors: National Institutes of Health, Bethesda, MD 20892, USA.
authors: M S
authors: MS
authors: McCabe
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D009369:Neoplasms / Q000523:psychology* / Q000628:therapy*; D011788:Quality of Life