Fig. 4From: Lack of association between methylenetetrahydrofolate reductase C677T polymorphism, HPV infection and cervical intraepithelial neoplasia in Brazilian womenMTHFR genotypic and allelic frequency according to cervical abnormalities. Frequency of CC, CT and TT genotypes (a), and C and T alleles (b) in Control and Case groups (Total, CIN I, CIN II, CIN III, and SCC)Back to article page