AWOYESUKU, P. A.; MAC PEPPLE, D. A. Predictors of poor maternal and perinatal outcome among singleton maternal delivery referral cases to the obstetrics unit of a tertiary health facility in Port Harcourt, Nigeria. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 8, n. 11, p. 4479–4484, 2019. DOI: 10.18203/2320-1770.ijrcog20194879. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/7253. Acesso em: 27 oct. 2025.