title: The quality of medical evidence: implications for quality of care.
authors: D M
authors: DM
authors: Eddy
authors: J
authors: J
authors: Billings
mesh_terms: D003625:Data Collection / Q000592:standards; D010043:Outcome and Process Assessment, Health Care / Q000379:methods*; D010818:Practice Patterns, Physicians' / Q000592:standards*; D011785:Quality Assurance, Health Care; D012107:Research Design