TY - JOUR A1 - Blair, J.M. A1 - Hanson, D.L. A1 - Jones, J.L. A1 - Dworkin, M.S. T1 - Trends in pregnancy rates among women with human immunodeficiency virus Y1 - 2004 JF - Obstetrics and Gynecology VL - 103 IS - 4 SP - 663 EP - -668 ER -