title: Users' guides to the medical literature. VIII. How to use clinical practice guidelines. A. Are the recommendations valid? The Evidence-Based Medicine Working Group.
authors.affiliation: Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
authors.forename: R S
authors.initials: RS
authors.lastname: Hayward
authors.forename: M C
authors.initials: MC
authors.lastname: Wilson
authors.forename: S R
authors.initials: SR
authors.lastname: Tunis
authors.forename: E B
authors.initials: EB
authors.lastname: Bass
authors.forename: G
authors.initials: G
authors.lastname: Guyatt
mesh_terms: D016239:MEDLINE; D008491:Medical Informatics Applications; D010347:Patient Care Planning; D017410:Practice Guidelines as Topic; D015203:Reproducibility of Results