title: Five easy pieces on evidence-based medicine (3).
authors.affiliation: Pain Clinic, Department of Anaesthesia and Intensive Care Medicine, Helsinki University Hospital.
authors.forename: E
authors.initials: E
authors.lastname: Kalso
authors.forename: J
authors.initials: J
authors.lastname: Edwards
authors.forename: H J
authors.initials: HJ
authors.lastname: McQuay
authors.forename: R A
authors.initials: RA
authors.lastname: Moore
mesh_terms: D000698:Analgesia / Q000379:methods*; D002986:Clinical Trials as Topic / Q000379:methods*; D003627:Data Interpretation, Statistical; D019317:Evidence-Based Medicine; D006801:Humans; D015201:Meta-Analysis as Topic; D010146:Pain / Q000188:drug therapy*