Fig. 3From: Genetic variability, phylogeny and functional implication of the long control region in human papillomavirus type 16, 18 and 58 in Chengdu, ChinaNeighbor-joining phylogenetic tree of HPV-18 patterns based on LCR sequences. Reference sequences of sub-lineages were marked with red dot; *, marked the sub-lineage that the pattern not clearly identified to, but more close toBack to article page