title: The need for expertise and the scientific base of evidence-based medicine.
authors.affiliation: Department of Clinical Epidemiology and Biostatistics, McMaster University Medical Center, Hamilton, ON, Canada.
authors.forename: Paul
authors.initials: P
authors.lastname: Karanicolas
authors.affiliation: Department of Medicine, McMaster University Medical Center, Hamilton, ON, Canada. Electronic address: guyatt@mcmaster.ca.
authors.forename: Gordon
authors.initials: G
authors.lastname: Guyatt
authors.affiliation: Basler Institute for Clinical Epidemiology, University Hospital Basel, Basel, Switzerland.
authors.forename: Regina
authors.initials: R
authors.lastname: Kunz
mesh_terms: D035843:Biomedical Research; D002983:Clinical Competence; D019317:Evidence-Based Medicine; D006801:Humans