Original Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2012; 18(40): 5702-5708
Published online Oct 28, 2012. doi: 10.3748/wjg.v18.i40.5702
Figure 2
Figure 2 Internal opening and secondary tracts were found by a ball-shape head sliver fistula probe.