3Aaronson NK, Ahmedzais S, Bergman B, et al. The european for research and treatment of cancer QLQ-C30: a quality of life instrument for use in international clinical trials in oncology. J Natl Cancer Inst, 1993,85:365-376.
4Blazeby JM, Willams MH, Brookes ST, et al. Quality of life measurement in patients with oesophageal cancer. Gut,1995,37:505-508.
5O'Hanlon D, Harkin M, Kara D, et al. Quality-of-life assessment in patients undergoing treatment for oesophageal carcinoma. Br J Surg,1995,82:1682-1685.
6Zieren HU, Jacobi CA, Zieren J, et al. Quality of life following resection of oesophageal carcinoma. Br J Surg,1996,83:1772-1775.