R. Nduati, G. John, and D. Mbori-ngacha, Effect of Breastfeeding and Formula Feeding on Transmission of HIV-1, JAMA, vol.283, issue.9, pp.1167-74, 2000.
DOI : 10.1001/jama.283.9.1167

F. Dabis, P. Msellati, and N. Meda, 6-month efficacy, tolerance, and acceptability of a short regimen of oral zidovudine to reduce vertical transmission of HIV in breastfed children in C??te d'Ivoire and Burkina Faso: a double-blind placebo-controlled multicentre trial, The Lancet, vol.353, issue.9155, pp.786-92, 1999.
DOI : 10.1016/S0140-6736(98)11046-2

S. Wiktor, E. Ekpini, and J. Karon, Short-course oral zidovudine for prevention of mother-to-child transmission of HIV-1 in Abidjan, C??te d'Ivoire: a randomised trial, The Lancet, vol.353, issue.9155, pp.781-786, 1999.
DOI : 10.1016/S0140-6736(98)10412-9

L. Guay, P. Musoke, and T. Fleming, Intrapartum and neonatal single-dose nevirapine compared with zidovudine for prevention of mother-to-child transmission of HIV-1 in Kampala, Uganda: HIVNET 012 randomised trial, The Lancet, vol.354, issue.9185, pp.795-802, 1999.
DOI : 10.1016/S0140-6736(99)07419-X

J. Saba, The results of the PETRA intervention trial to prevent perinatal transmission in SubSaharan Africa. (Abstract S6), Program and abstracts of the 6th Conference on Retroviruses and Opportunistic Infections, 1999.

V. Leroy, M. Newell, and F. Dabis, International multicentre pooled analysis of late postnatal mother-to-child transmission of HIV-1 infection, The Lancet, vol.352, issue.9128, pp.597-600, 1998.
DOI : 10.1016/S0140-6736(98)01419-6

V. Leroy, K. J. Alioum, and A. , Twenty-four month efficacy of a maternal short-course zidovudine regimen to prevent mother-to-child transmission of HIV-1 in West Africa, AIDS, vol.16, issue.4, pp.631-672, 2002.
DOI : 10.1097/00002030-200203080-00016

P. Study and T. , Efficacy of three short-course regimens of zidovudine and lamivudine in preventing early and late transmission of HIV-1 from mother to child in Tanzania, South Africa, and Uganda (Petra study): a randomised, double-blind, placebo-controlled trial, Lancet, vol.359, pp.1178-86, 2002.

M. Deseyve, C. Duefield, and M. Musisi, The one year safety and efficacy data of the HIVNET 012 trial, Presented at the 13th International AIDS Conference, 2000.

A. Alioum, F. Dabis, and L. Dequae-merchadou, Estimating the efficacy of interventions to prevent mother-to-child transmission of HIV in breast-feeding populations: development of a consensus methodology, Statistics in Medicine, vol.53, issue.23, pp.3539-56, 2001.
DOI : 10.1002/sim.1076

P. Armitage and G. Berry, Statistical methods in medical research, Blackwell Science, 1994.

B. Turnbull, The empirical distribution function with arbitrarily, grouped, censored, and truncated data, J R Stat Soc (B), vol.38, pp.290-295, 1976.

J. Lindsey and L. Ryan, Methods for interval-censored data, Statistics in Medicine, vol.17, issue.2, pp.219-257, 1998.
DOI : 10.1002/(SICI)1097-0258(19980130)17:2<219::AID-SIM735>3.0.CO;2-O

M. Hudgens, G. Satten, and I. Longini, Nonparametric Maximum Likelihood Estimation for Competing Risks Survival Data Subject to Interval Censoring and Truncation, Biometrics, vol.60, issue.1, pp.74-80, 2001.
DOI : 10.1111/j.0006-341X.2001.00074.x

J. Kalbfleisch and R. Prentice, The statistical analysis of failure time data, 1980.
DOI : 10.1002/9781118032985

J. Hughes and B. Richardson, Analysis of a Randomized Trial to Prevent Vertical Transmission of HIV-1, Journal of the American Statistical Association, vol.83, issue.452, pp.1032-1075, 2001.
DOI : 10.1080/01621459.2000.10474300