. 2014 Oct 7;9(4):569–577. doi: 10.5114/wiitm.2014.45733
Copyright © 2014 Sekcja Wideochirurgii TChP
This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Study profile