HABIB, S. M.; MOSTAFA, M. H.; SALAMA, M. H.; SWILAM, H. G. Paracetamol versus meperidine for relief of labour pain in primiparous women: a randomized controlled trial. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 8, n. 8, p. 3085–3091, 2019. DOI: 10.18203/2320-1770.ijrcog20193516. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/6783. Acesso em: 4 dec. 2025.