ADAMSONS, Karlis; DE LA VEGA, Alberto; SANTIAGO, Patricia. Reduction in the Cesarean Section Rate in Nulliparous Patients After Administration of Intravenous Propranolol. Puerto Rico Health Sciences Journal, [S. l.], v. 18, n. 1, 2015. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1375. Acesso em: 20 dec. 2025.