. 2013 Dec 20;42(1):62. doi: 10.1186/1916-0216-42-62
Copyright © 2013 Duan et al.; licensee BioMed Central Ltd.
This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
A 4 to 6 cm low collar incision.