Self expanding metal stents for palliation of dysphagia due to esophageal malignancies - DOBRUCALI, Ahmet; ÖZGÜROĞLU, Mustafa; DEMİR, Gökhan; KARAHASANOĞLU, Tayfun; UZUNİSMAİL, Hülya; CEBECİ, Hayrettin; OKTAY, Ergun; DİNÇ, İsmail (Turkish Journal of Gastroenterology, 1999)