1. Berg JW: Primary lymphomas of the human gastrointestinal tract. In: Symposium on comparative morphology of hematopoietic neoplasms, National Cancer Institute Monographs 32, Lingeman CH, Garner FM (eds). United States Government Printing Office, 1969, pp 211-220.
2. Silverberg E: Cancer statistics, 1980. Cancer 30:23–30, 1980.
3. Henry K, Farrer-Brown G: Primary lymphomas of the gastrointestinal tract. I. Plasma cell tumours. Histopathology 1:53–76, 1977.
4. Isaacson P, Wright DH, Judd MA, Mepham BL: Primary gastrointestinal lymphomas. A classification of 66 cases. Cancer 43:1805–1819, 1979.
5. McGovern VJ: Lymphomas of the gastrointestinal tract. In: The gastrointestinal tract, Monographs in Pathology 18, Yardley JH, Morson BC, Abell MR (eds). Baltimore: Williams & Wilkins, 1977, pp 184–205.