Matthews LT, Smit JA, Moore L, Milford C, Greener R, Mosery FN, Ribaudo H, Bennett K, Crankshaw TL, Kaida A, Psaros C, Safren S, Bangsberg DR. Periconception HIV risk behavior among men and women reporting HIV-serodiscordant partners in KwaZulu-Natal, South Africa. Accepted AIDS and Behaviour.