Guerra del Valle D, Álvarez Toste M, Olivares Giraudy Y, San Jorge Rodríguez L. Extremely severe maternal morbidity, maternal mortality: a necessary review. BJM [Internet]. 2023 Oct. 17 [cited 2026 Feb. 1];10(1):27-34. Available from: https://www.bjomed.org/index.php/bjm/article/view/237