TY - JOUR A1 - Hallett, T.B. A1 - Zaba, B. A1 - Todd, J. A1 - Lopman, B. A1 - Mwita, W. A1 - Biraro, S. A1 - Gregson, S. A1 - Boerman, J.T. A1 - on behalf of the ALPHA Network T1 - Estimating incidence from prevalence in generalised HIV epidemics: Methods and validation Y1 - 2008 DO - 10.1371/journal.pmed.0050080 JF - PLoS Medicine VL - 5 IS - 4 SP - 611 EP - -622 ER -