Original Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 21, 2012; 18(23): 2948-2955
Published online Jun 21, 2012. doi: 10.3748/wjg.v18.i23.2948
Figure 1
Figure 1 Growth trend of reported cases in different countries/regions from 1960 to 2011.