ABIODUN, O. O.; FRANCIS, B. Factors Associated with Spontaneous Preterm Delivery in a Nigerian Teaching Hospital. Bangladesh Journal of Obstetrics & Gynaecology, [S. l.], v. 29, n. 1, p. 9–14, 2016. DOI: 10.3329/bjog.v29i1.30437. Disponível em: https://www.banglajol.info/index.php/BJOG/article/view/30437. Acesso em: 5 may. 2024.