1[1]Troppman C, Papalois BE, Chiou A, et al. Incidence,complications, treatment, and outcome of ulcers of the upper gastrointestinal tract after renal transplantation during the cyclosporine era [J]. J Am Coll Surg, 1995, 180 (4): 433.
2[2]Johnson R, Peitzman AB, Webster MW, et al. Upper gastrointestinal endoscopy after cardiac transplantation [J].1988, 103 (3): 300-304.
