TY - GEN AU - Boyd,Mark AU - Emery,Sean AU - Cooper,David A TI - Antiretroviral roll-out: the problem of second-line therapy SN - 1474-547X PY - 2009///0803 KW - Africa KW - epidemiology KW - Antiretroviral Therapy, Highly Active KW - economics KW - Developed Countries KW - Developing Countries KW - Drug Monitoring KW - methods KW - Global Health KW - HIV Infections KW - drug therapy KW - Humans KW - Practice Guidelines as Topic KW - Retreatment KW - Treatment Failure KW - World Health Organization N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review UR - https://doi.org/10.1016/S0140-6736(09)61313-1 ER -