title: Editor's Spotlight/Take 5: What are the levels of evidence on which we base decisions for surgical management of lower extremity bone tumors?
authors.affiliation: Clinical Orthopaedics and Related Research, 1600 Spruce Street, Philadelphia, PA, 19013, USA, sleopold@clinorthop.org.
authors.forename: Seth S
authors.initials: SS
authors.lastname: Leopold
mesh_terms: D001859:Bone Neoplasms / Q000601:surgery*; D019317:Evidence-Based Medicine; D006801:Humans; D035002:Lower Extremity / Q000601:surgery*; D011643:Publishing / Q000592:standards*