TY - JOUR A1 - Morrison, C.S. A1 - Wang, J. A1 - Van Der Pol, B. A1 - Padian, N. A1 - Salata, R.A. A1 - Richardson, B.A. T1 - Pregnancy and the risk of HIV-1 acquisition among women in Uganda and Zimbabwe Y1 - 2007 DO - 10.1097/QAD.0b013e3280f00fc4 JF - AIDS VL - 21 IS - 8 ER -