title: Users' guides to the medical literature. X. How to use an article reporting variations in the outcomes of health services. The Evidence-Based Medicine Working Group.
authors.affiliation: Institute for Clinical Evaluative Sciences, North York, Ontario, Canada.
authors.forename: C D
authors.initials: CD
authors.lastname: Naylor
authors.forename: G H
authors.initials: GH
authors.lastname: Guyatt
mesh_terms: D006302:Health Services Research; D016239:MEDLINE; D008491:Medical Informatics Applications; D010043:Outcome and Process Assessment, Health Care; D010347:Patient Care Planning; D010506:Periodicals as Topic; D015203:Reproducibility of Results; D014481:United States