Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 7, 2012; 18(9): 965-970
Published online Mar 7, 2012. doi: 10.3748/wjg.v18.i9.965
Figure 1
Figure 1 Phylogenetic tree based on 286 bp of open reading frame 2 of hepatitis E virus genotypes 1-4, 13 human sequences. Human hepatitis E virus isolated in this study were signed with solid triangle.