TY - JOUR AU - Garcia, P M; Kalish, L A; Pitt, J; Women and Infants Transmission Study Group TI - Maternal levels of plasma human immunodeficiency virus type 1 RNA and the risk of perinatal transmission JO - N Engl J Med IS - 06 VL - 341 PY - 1999 DO - 10.1056/NEJM199908053410602 L3 - PubMed-ID: 10432324 SP - 394 EP - 402 ER -