“The difference that makes a difference”: highlighting the role of variable contexts within an HIV Prevention Community Randomised Trial (HPTN 071/PopART) in 21 study communities in Zambia and South Africa
V. Bond, Bwalya Chiti, G. Hoddinott, Lindsey J Reynolds, A. Schaap, M. Simuyaba, Rhoda Ndubani, L. Viljoen, M. Simwinga, S. Fidler, R. Hayes, H. Ayles, J. Seeley
AIDS Care