Media type: E-Article Title: Thresholds of Principle and Preference : Exploring Procedural Variation in Postgraduate Surgical Education : Exploring Procedural Variation in Postgraduate Surgical Education Contributor: Apramian, Tavis; Cristancho, Sayra; Watling, Chris; Ott, Michael; Lingard, Lorelei imprint: Ovid Technologies (Wolters Kluwer Health), 2015 Published in: Academic Medicine Language: English DOI: 10.1097/acm.0000000000000909 ISSN: 1040-2446 Keywords: Education ; General Medicine Origination: Footnote: Access State: Open Access