Lower academic performance among children with perinatal HIV exposure in Botswana oleh Kathleen M. Powis, Lesedi Lebanna, Sara Schenkel, Gosego Masasa, Samuel W. Kgole, Martha Ngwaca, Coulson Kgathi, Paige L. Williams, Amy L. Slogrove, Roger L. Shapiro, Shahin Lockman, Mompati O. Mmalane, Joseph M. Makhema, Jennifer Jao, Adam R. Cassidy