title: Randomization and concealment in surgical trials: a comparison between orthopaedic and non-orthopaedic randomized trials.
authors.affiliation: Department of Clinical Epidemiology and Biostatistics, McMaster University Medical Centre, 1200 Main Street West, Room 2C9, Hamilton, Ontario, L8N 3Z5, Canada.
authors.forename: Patricia
authors.initials: P
authors.lastname: Li
authors.forename: Doug
authors.initials: D
authors.lastname: Mah
authors.forename: Ki
authors.initials: K
authors.lastname: Lim
authors.forename: Sheila
authors.initials: S
authors.lastname: Sprague
authors.forename: Mohit
authors.initials: M
authors.lastname: Bhandari
mesh_terms: D006801:Humans; D015337:Multicenter Studies as Topic; D009985:Orthopedics; D016032:Randomized Controlled Trials as Topic / Q000379:methods*