@article{Karim2003,
author = {Karim, S.A. and Karim, Q.A. and Baxter, C.},
title= {Antiretroviral therapy: challenges and options in South Africa},
year = {2003},
doi = {10.1016/S0140-6736(03)14700-9},
journal = {The Lancet},
volume = {362},
number = {9394},
pages = {1499},
}