Brief Reports
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Jun 21, 2005; 11(23): 3574-3577
Published online Jun 21, 2005. doi: 10.3748/wjg.v11.i23.3574
Figure 1
Figure 1 Distribution of the positions of the DLs. The number of cases in each group is given in brackets. D1, first part of duodenum; D2, second part of duodenum.