Tracking a sample of patients lost to follow-up has a major impact on understanding determinants of survival in HIV-infected patients on antiretroviral therapy in Africa

Elvin H. Geng, David V. Glidden, Nneka Emenyonu, Nicolas Musinguzi, Mwebwesa Bosco Bwana, Torsten B. Neilands, Winnie Muyindike, Constantin T. Yiannoutsos, Steven G. Deeks, David R. Bangsberg, Jeffrey N. Martin