Drug resistance among HIV-infected pregnant women receiving antiretrovirals for prophylaxis - Duran, Adriana S.; Losso, Marcelo H.; Salomón, Horacio; Harris, D. Robert; Pampuro, Sandra; Soto-Ramirez, Luis E.; Duarte, Geraldo; Souza, Ricardo S. de; Read, Jennifer S. (Aids, 2007)