1Hieu, Do Trong, Peter J Donaldson, Quan Le Nga, and Huang Ti Van. "The pattern of IUD use in Vietnam."(1995) International Family Planning Perspectives.
17Bloom, David, David Canning, Isabel Guenther, and Sebastian Linnemayr. "Mortality Expectations and Fertility Decisions."(2008) Harvar School of Public Heath, 140 Mt. Auburn St., Cambridge, MA.
30Corsi, Daniel, Melissa Neuman, Jocelyn Finlay, and S V Subramanian. "Demographic and health surveys: a profile."International journal of epidemiology 41, no. 6 (2012): 1602-1613.
56Hilber, Adriane M, Xavier Bosch-Capblanch, Christian Schindler, Lise Beck, Florence Sécula, Oran McKenzie, Sara Gari, Christina Stuckli, and Sonja Merten. Gender and immunisation.Basel, Switzerland: Swiss Centre for International Health, 2010.
71Mathers, Colin D, Christina Bernard, Kim M Iburg, Mie Inoue, Doris Ma Fat, Kenji Shibuya, Claudia Stein, Niels Tomijima, and Hongyi Xu. "Global burden of disease in 2002: data sources, methods and results."(2003) Global Programme on Evidence for Health Policy Discussion Paper.