O. Ojo

发表

J. Verbeek, J. Ruotsalainen, E. Okokon, 2015, The Cochrane database of systematic reviews.

J. Verbeek, E. Ruotsalainen, L. Isotalo, 2011, The Cochrane database of systematic reviews.

E. Effa, M. Meremikwu, O. Ojo, 2017, International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.