1. Grimes DA, Benson J, Singh S, Romero M, Ganatra B, Okonofua FE, Shah IH: Unsafe abortion: the preventable pandemic. Lancet. 2006, 368: 1908-1919. 10.1016/S0140-6736(06)69481-6.
2. Ebuehi OM, Ebuehi OA, Inem V: Health Care Providers’ Knowledge of, Attitudes toward and Provision of Emergency Contraceptives in Lagos, Nigeria. Int Fam Plann Perspect. 2006, 32: 89-93. 10.1363/3208906.
3. World Health organization: Unsafe abortion. Global and regional estimates of the incidence of unsafe abortion and associated mortality in 2008. 2008, Geneva. Switzerland, Sixth
4. National Statistical Centre: Lao Reproductive Health Survey, 2005. 2007, Vientiane Capital, Lao PDR: UNFPA; Lao/97/P07
5. National Statistical Centre: Household Census, Lao PDR, 2005. 2006, Vientiane Capital, Lao PDR: State Planning Printing