1. Abe E, Omo-Aghoja LO. Maternal mortality at the central hospital, Benin city Nigeria: a ten year review. Afr J Reprod Health. 2008;12(3):17–26.
2. Ujah I, Aisien O, Mutihir J, Vanderjagt D, Glew R, Uguru V. Factors contributing to maternal mortality in north-Central Nigeria: a seventeen-year review. Afr J Reprod Health. 2005;9(3):27–40.
3. Ogunbode O. Anaemia in pregnancy. In: Ogunbode O, editor. Medical disorders in tropical obstetrics. 1st ed. Ibadan: Evan Brothers Nigeria Publishers Ltd; 1997. p. 1–20.
4. Uneke CJ, Duhlinska DD, Igbinedion EB. Prevalence and public-health significance of HIV infection and anaemia among pregnant women attending antenatal clinics in south-eastern Nigeria. J Health Popul Nutr. 2007;25(3):328–35.
5. Adesina O, Akinyemi O, Oladokun A. Anemia in pregnancy at two levels of health care in Ibadan, south west Nigeria. Ann Afr Med. 2011;10(4):272–7.