author = { Apramian, Tavis AND Cristancho, Sayra AND Watling, Chris AND Ott, Michael AND Lingard, Lorelei },

title = { Thresholds of Principle and Preference : Exploring Procedural Variation in Postgraduate Surgical Education Exploring Procedural Variation in Postgraduate Surgical Education },

publisher = {Ovid Technologies (Wolters Kluwer Health)},

isbn = {1040-2446},

year = {2015},

url = { http://slubdd.de/katalog?TN_libero_mab2 }