Fig. 2From: Lack of association between methylenetetrahydrofolate reductase C677T polymorphism, HPV infection and cervical intraepithelial neoplasia in Brazilian womenHPV detection by PCR with SPF primers set. M: 100 bp DNA ladders; NP: negative control; PC: Positive control; 1: HPV negative sample; 2–7: HPV positive samplesBack to article page