G. A. Mosquera-Klinger, J. J. Carvajal Gutiérrez, A. A. Gómez Venegas, S. . Niño Ramírez, and R. . Cañadas Garrido, “Endoscopic ultrasound: Current applications to approach gastrointestinal solid tumors”, Rev. colomb. Gastroenterol., vol. 35, no. 4, pp. 506–518, Dec. 2020.