Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 21, 2012; 18(3): 279-284
Published online Jan 21, 2012. doi: 10.3748/wjg.v18.i3.279
Figure 4
Figure 4 Linear correlation of accumulated sample size from 2000. There is highly positive correlation between the accumulated sample size and the year from 2000 (r = 0.954, P = 0.000; Pearson correlation test, two-sided).