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. 2016 Jun 24;13:110. doi: 10.1186/s12985-016-0569-4

Fig. 1.

Fig. 1

phylogenetic tree constructed with neighbor-joining method and maximum likelihood composite substitution model for partial 393 bp fragment of coronavirus RdRp gene. Numbers on each node represents the bootstrap values. The scale represents the number of substitutions sites. Samples of this study are identified with a black triangle