@article{article, title  = {{The impact of delayed switch to second-line antiretroviral therapy on mortality, depending on failure time definition and CD4 count at failure}},

 publisher = {{Oxford University Press (OUP)}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/157133 }},

 year = {{2020}},

 month = {{8}},

 author = {{Bell Gorrod H and Fox MP and Boulle A and Prozesky H and Wood R and Tanser F and Davies M-A and Schomaker M}},

 doi = {{10.1093/aje/kwaa049}},

 volume = {{189}},

 journal = {{American Journal of Epidemiology}},

 issue = {{8}},

 pages = {{811-819}},

 note = {{Accessed on 2025/11/03}}}