Fig. 7From: HPV18 L1 and long control region sequences variation and E6/E7 differential expression in nasopharyngeal and cervical cancers: a comparative studyPhylogenetic tree for HPV18 LCR sequences from the nasopharynx (naso) and cervix (cerv). Nasopharyngeal HPVs were more diverse compared to the cervical HPVs which clustered togetherBack to article page