title: Patient 'non-compliance' and 'missing data' in quality of life research: where does the problem lie?
authors.forename: C
authors.initials: C
authors.lastname: Moynihan
mesh_terms: D002986:Clinical Trials as Topic; D003625:Data Collection; D006801:Humans; D009369:Neoplasms / Q000628:therapy*; D011788:Quality of Life; D012107:Research Design; D016312:Treatment Refusal