%0 Journal Article %T Objective method to evaluate the competency of residents in cardiac surgery %A Badreldin, Akmal M A %A Muehle, Anja %A Misic, Jovan %A Tvildiani, Tamari %A Duerr, Georg Daniel %A Paulini-Heine, Beate %A Peivandi, Ali Asghar %J European Journal of Cardio-Thoracic Surgery %V Advance Article %P 1-1 %@ 1010-7940 %D 2021-01-17 %I Oxford University Press %~ DeepDyve