[1]
M. AKDOĞAN, Ülkü SARITAŞ, E. ALTINTAŞ, B. KAYHAN, and B. ŞAHİN, “Insertion of overtube with the aid of esophageal bougie dilator: A convenient method”, Turkish Journal of Gastroenterology, vol. 12, no. 3, pp. 203–205, Jan. 2001.