Marques, Sofia, Raquel Cabral, João Fonseca, Margarida Pereira, Cláudia Alves, and Joana Carvalhas. 2015. “Massive Hemorrhage in Obstetrics: Key Principles”. Journal of the Portuguese Society of Anesthesiology 24 (1):12-19. https://doi.org/10.25751/rspa.6553.