«Comparison of Pregnancy and Neonatal Outcomes Amongst HIV Positive Women and HIV Negative Women at the University College Hospital Ibadan, Nigeria – A Cross-Sectional Study». African Journal of Biomedical Research, libk. 23, zenb. Special Edition 1, 2020(e)ko uztailaren, or. 53-57, https://www.ojshostng.com/index.php/ajbr/article/view/359.