4Stivaros,-S-M; Williams,-L-R; Senger,-C,et al. Woven polydioxanone biodegradable stents: a new treatment option for benign and malignant oesophageal strictures[J]. Eur-Radiol,2010,20(5) : 1069-1072.
5Villalona,-G-A,Sarhan,-M,Gandhi,-R. Novel technique for management of esophageal strictures: double “J” stents and the use of urologic dilators[J]. Pediatr-Surg-Int ,2010,26(3) : 331-333.
4DUA K S, VLEGGAAR F P, SANTHARAM R, et al. Removable self-expanding plastic esophageal stent as a continuous, non-permanent dilator in treating refractory benign esophageal strictures: a prospective two-center study[J]. Am J Gastroenterol, 2008, 103 (12): 2988-2994.