Ikechebelu, Joseph I., J.I. Brian-D Adinma, Sylvester G. Ikegwuonu, and Emeka F. Orie. “Clinical Correlates of Unexplained Infertility in Southeastern Nigeria”. Tropical Journal of Obstetrics and Gynaecology 19, no. 1 (January 1, 2002): 8–11. Accessed September 30, 2026. https://www.ajol.info/index.php/tjog/article/view/14360.