Guidelines for the vaccination of HIV-infected adolescents and adults in South Africa oleh Sipho K. Dlamini, Shabir A. Madhi, Rudzani Muloiwa, Anne von Gottberg, Mahomed-Yunus S. Moosa, Susan T. Meiring, Charles S. Wiysonge, Eric Hefer, Muhangwi B. Mulaudzi, James Nuttall, Michelle Moorhouse, Benjamin M. Kagina