Brief Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jul 28, 2009; 15(28): 3523-3527
Published online Jul 28, 2009. doi: 10.3748/wjg.15.3523
Figure 1
Figure 1 Cumulative survival and stent patency of 20 patients obtained using the Kaplan-Meier method.