Review
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2012; 18(32): 4243-4256
Published online Aug 28, 2012. doi: 10.3748/wjg.v18.i32.4243
Figure 1
Figure 1 Distribution of papers in pancreaticobiliary endoscopic ultrasonography according to the levels of evidence.