Gelber, R D Mode of delivery and the risk of vertical transmission of HIV-1. [electronic resource] - The New England journal of medicine Jul 1999 - 206-7 p. digital Publication Type: Comment; Letter ISSN: 0028-4793 Subjects--Topical Terms: Anti-HIV Agents--therapeutic useCesarean SectionDelivery, Obstetric--methodsFemaleHIV Infections--drug therapyHIV-1HumansInfant, NewbornInfectious Disease Transmission, Vertical--prevention & controlObstetric Labor, PrematurePregnancyPregnancy Complications, Infectious--drug therapySelection Bias