Olaleye, S. B.Awolude, O. A.2024-02-202024-02-202012978-978-77-43-9654ui_inbk_olaleye_overview_2012In: Olaleye, D. O., Odaibo, G. N. and Fadupin, G. T. (eds.) A Textbook for GES 107: Reproductive Health, Sexually Transmitted Infections (STIs) and Human Immunoodeficiency Virus HIV, pp. 48-62http://ir.library.ui.edu.ng/handle/123456789/8707enBook chapter