6[2]Mason RC,Bright N,McColl I,Palliation of malignant dysphagia wish laser therapy predictability of results.Br J Surg 1991;78:1346-7
7[3]Gevers AM,Macken E,Hiele M,et al.A comparison of laseer therapy,plastic stents,and expandable metal stents for paliation of maligant dysphagia in patients without a fistula.Gastrointest Endosc 1998;48(4):383-8
