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. 2018 Dec 22;14:414. doi: 10.1186/s12917-018-1746-z

Fig. 6.

Fig. 6

Phylogenetic tree constructed based on partial ORF4 of the near full-length genomes of HEV (MrBayes, GTR + G + I nucleotide substitution model). Three rat HEV isolates and seven HEV isolates derived from rats and ferret are included for comparison. Percentages of the PP values are indicated