. 2015 Oct 28;89(5):268–274. doi: 10.4174/astr.2015.89.5.268
Copyright © 2015, the Korean Surgical Society
Annals of Surgical Treatment and Research is an Open Access Journal. All articles are distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 1. Distribution of working hours of surgical residents.
