Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 14, 2013; 19(46): 8780-8788
Published online Dec 14, 2013. doi: 10.3748/wjg.v19.i46.8780
Figure 5
Figure 5 Proposed mechanisms by which smoking may be associated with the formation of extrahepatic cholangiocarcinoma.