OKEKE, T. C.; UBAKA, A. A.; OLIBE, A. O.; OKEKE, K. O.; ODOH, G. U.; EZENYEAKU, C. C.; IKEAKO, L. C.; IZUKA, E. O.; ONWUKA, C. I. Successful quadruplet surrogate pregnancy after turbulent medical disorders in first trimester. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 6, n. 5, p. 2090–2094, 2017. DOI: 10.18203/2320-1770.ijrcog20171982. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/2605. Acesso em: 5 jan. 2026.