Severe esophageal stricture following long term nasogastric intubation - ÇETİN, Celalettin; UYGURER, Can; BAĞCI, Sait; GÜLŞEN, Mustafa; KARAEREN, Necmettin; DAĞALP, Kemal; ALPER, Ahmet (Turkish Journal of Gastroenterology, 1999)