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HIV Infections
Vertical Infectious Disease Transmission
Pregnancy Complications, Infectious
South Africa
Pregnancy
Viral Drug Resistance
Genotype
HIV-1
Newborn Infant
Infants
Anti-HIV Agents
Nevirapine
AIDS Vaccines
Zidovudine
Reverse Transcriptase Inhibitors
Breast Feeding
Viral Load
Molecular Sequence Data
HIV Seropositivity
Clinical Trials as Topic
Co-Publications
21
13
7
4
3
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