Fig. 2From: Genetic variability of E6 and E7 genes of human papillomavirus type 58 in Jingzhou, Hubei Province of central ChinaNeighbor-joining phylogenetic tree of HPV-58 E6–E7. The strains with black dot represented the reference sequences of sub-lineages, and the others were variant sequences. Only the bootstrap value > 70% was displayedBack to article page