1. Countdown to 2015: a decade of tracking progress for maternal, newborn, and child survival
2. UNICEF NigeriaThe children: maternal and child health20172017-05-20https://www.unicef.org/nigeria/children_1926.html
3. Joint United Nations Programme on HIV/AIDS (UNAIDS)Prevention gap report20162017-05-20http://www.unaids.org/sites/default/files/media_asset/2016-prevention-gap-report_en.pdf
4. Hepatitis B surface antigenemia (HBsAg) among pregnant women in southern Nigeria