Stone KM, Zaidi A, Rosero-Bixby L, Oberle MW, Reynolds G, Larsen S, Nahmias AJ, Lee FK, Schachter J, Guinan ME. Sexual behavior, sexually transmitted diseases, and risk of cervical cancer. Epidemiology. 1995 Jul;6(4):409-14.
Stone KM, Zaidi A, Rosero-Bixby L, Oberle MW, Reynolds G, Larsen S, Nahmias AJ, Lee FK, Schachter J, Guinan ME. Sexual behavior, sexually transmitted diseases, and risk of cervical cancer. Epidemiology. 1995 Jul;6(4):409-14.