7Beaumont H,Bergaman JJ,Pouw RE,et af.Preservation of the funtional integrity of the distal esophagus after circumferential ablation of Barrett'esophagus [J].Gastroenterology,2010,152 suppl:A-255.
8Corti L,Skarlatus J,Beso C,et al.Outcome of patient receiving photodynamic therapy for early esophageal cancer[J].Int J Radiat Oncol Biol Plays 2010,47(2):419-424.