title: Closing in on surgical practice variations.
authors.affiliation: From the Department of Surgery, University Health Network, University of Toronto, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; and Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada.
authors.forename: David R
authors.initials: DR
authors.lastname: Urbach
mesh_terms: D003661:Decision Support Techniques; D054625:Healthcare Disparities / Q000706:statistics & numerical data*; D006801:Humans; D017410:Practice Guidelines as Topic; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data*