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Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 7, 2007; 13(1): 91-103
Published online Jan 7, 2007. doi: 10.3748/wjg.v13.i1.91
Figure 1
Figure 1 Phylogenetic tree of avian hepadnaviruses and related hosts. Phylogenetic relationship of all known avian hepadnaviruses based on preS/S gene sequence. The corresponding natural hosts are also indicated.