TY - JOUR A1 - Maartens, G. A1 - Wood, R. A1 - O'Keefe, E. A1 - Byrne, C. T1 - Independent epidemics of heterosexual and homosexual infection in South Africa - survival differences Y1 - 1997 DO - 10.1093/qjmed/90.7.449 JF - Quarterly Journal of Medicine VL - 90 IS - 7 SP - 449 EP - -454 ER -