Sypsa, V; Touloumi, G; Kenward, M; Karafoulidou, A; Hatzakis, A; (2001) Comparison of smoothing techniques for CD4 data in a Markov model with states defined by CD4: an example on the estimation of the HIV incubation time distribution. Statistics in medicine, 20 (24). pp. 3667-76. ISSN 0277-6715 https://researchonline.lshtm.ac.uk/id/eprint/17411 Full text not available from this repository.

Touloumi, G; Pocock, SJ; Babiker, AG; Darbyshire, JH; (2002) Impact of missing data due to selective dropouts in cohort studies and clinical trials. Epidemiology (Cambridge, Mass), 13 (3). pp. 347-55. ISSN 1044-3983 DOI: https://doi.org/10.1097/00001648-200205000-00017 Full text not available from this repository.