Chi, B.H.; Yiannoutsos, C.T.; Westfall, A.O.; Newman, J.E.; Zhou, J.; Cesar, C.; Brinkhof, M.W.G.; Mwango, A.; Balestre, E.; Carriquiry, G.; Sirisanthana, T.; Mukumbi, H.; Martin, J.N.; Grimsrud, A.; Bacon, M.; Thiebaut, R.
(Public Library of Science, 2011)
Background: Although patient attrition is recognized as a threat to the long-term success of antiretroviral therapy programs worldwide, there is no universal definition for classifying patients as lost to follow-up (LTFU). ...