Methylation of human papillomavirus type 16 genome and risk of cervical precancer in a Costa Rican population.
Mirabello L, Sun C, Ghosh A, Rodriguez AC, Schiffman M, Wentzensen N, Hildesheim A, Herrero R, Wacholder S, Lorincz A, et al. J Natl Cancer Inst. 2012 Apr 4; 104(7):556-65. Epub 2012 Mar 23.