KIR gene content diversity in a Zimbabwean population: does KIR2DL2 have a role in protection against human immunodeficiency virus infection? by Mhandire, K, Zijenah, L, Yindom, L, Duri, K, Mlambo, T, Tshabalala, M, Mazengera, L, Mhandire, D, Musarurwa, C, Dandara, C, Rowland-Jones, S, Matarira, H, Stray-Pedersen, B