M. T. . Fernández-Martín, S. . López-Álvarez, and M. . Fajardo-López, “Interfascial intercostal nerves block: alternative to epidural analgesia in open gastrectomy? Report on 4 clinical cases”, Colomb. J. Anesthesiol., vol. 46, no. 3, pp. 259–263, Jul. 2018.