Gantt S, Payant R, Carlsson J, Micek MA, Blanco AJ, Beck IA, Matunha L, Montoya P, Matediana E, Gloyd S, Frenkel LM. Nevirapine-Resistant HIV-1 DNA in Breast Milk After Single-Dose Nevirapine With or Without Zidovudine for Prevention of Mother-to-Child Tr