IL12B and vulva cancer: In a case-control study, using 76 tagSNPs from seven candidate genes (IL-10, IL-12A, IL-12B, IL-10RA, IL-10RB, IL-12RB1 and IL12RB2), genetic variants in the IL12B gene, (rs3181225, rs3181224, rs3212227) were associated with risk of cervical and vulvar cancers.