title: Grey zones of clinical practice: some limits to evidence-based medicine.
authors.affiliation: Institute for Clinical Evaluative Sciences, Sunnybrook Health Science Centre, North York, Ontario, Canada.
authors.forename: C D
authors.initials: CD
authors.lastname: Naylor
mesh_terms: D015510:Clinical Medicine; D003661:Decision Support Techniques; D017408:Guidelines as Topic; D006801:Humans; D015201:Meta-Analysis as Topic; D010686:Philosophy, Medical; D016032:Randomized Controlled Trials as Topic