Orrell, C; Harling, G; Lawn, SD; Kaplan, R; McNally, M; Bekker, LG; Wood, R; (2007) Conservation of first-line antiretroviral treatment regimen where therapeutic options are limited. Antiviral therapy, 12 (1). pp. 83-8. ISSN 1359-6535 https://researchonline.lshtm.ac.uk/id/eprint/9216 Full text not available from this repository.