title: Introducing levels of evidence to the journal.
authors.forename: James G
authors.initials: JG
authors.lastname: Wright
authors.forename: Marc F
authors.initials: MF
authors.lastname: Swiontkowski
authors.forename: James D
authors.initials: JD
authors.lastname: Heckman
mesh_terms: D019317:Evidence-Based Medicine / Q000145:classification* / Q000592:standards*; D006801:Humans; D009985:Orthopedics / Q000145:classification* / Q000592:standards*; D010506:Periodicals as Topic / Q000145:classification* / Q000592:standards*