Figure 2From: Human Papillomavirus (HPV) genotype 18 variants in patients with clinical manifestations of HPV related infections in Bilbao, SpainPhylogenetic tree of the HPV 18 isolates. E6, E7, E4, L1 and URR nucleotide sequences of isolates using the Bayesian inference method implemented in MrBayes 3.1. Isolates EF202143-EF202155 are included as HPV 18 reference variant sequences which belong to Asian-amerindian lineage, African and European lineage.Back to article page