M. B. Chango-Salas, J. M. Vanegas-Mendieta, and A. V. Mena-López, “Fetal anesthesia for twin-to-twin transfusion syndrome and fetal hydrothorax drainage: case report”, Colomb. J. Anesthesiol., vol. 47, no. 2, pp. 120–123, Apr. 2019.