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