Granular cell tumor of esophagus removed with endoscopic submucosal dissection - HÜLAGÜ, Sadettin; ŞENTÜRK, Ömer; AYGÜN, Cem; GÜRBÜZ, Yeşim; KOCAMAN, Orhan; ÇELEBİ, Altay; KONDUK, Buğra Tolga (Turkish Journal of Gastroenterology, 2007)