Esophageal Cancer
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Mar 14, 2008; 14(10): 1479-1490
Published online Mar 14, 2008. doi: 10.3748/wjg.14.1479
Figure 3
Figure 3 A: Funnel plots assessing bias for T staging; B: Funnel plots assessing bias for N staging.