A. Okpani

Associations between pre‐eclampsia and protein C and protein S levels among pregnant Nigerian women

L. Eweputanna, H. Okoye, O. A. Ejele, 2017, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.

Sexual activity and contraceptive use among female adolescents--a report from Port Harcourt, Nigeria.

A. Okpani, J. Okpani, A. Okpani, 2000, African journal of reproductive health.