6Longo DL,Lymphocytic L. In:De Vita VT,Hellman S,Rosenberg SA (eds). Cancer Principles and practice of oncology, 4th ed. Pholadelphia: JB Lippincott,1993. 1859-1927.
7Frazee RC,Roberts J. Surg Clin North Ann, 1992,72:425-431.
8Genta RM, Hamner HW, Graham DY. Human Pathol,1993,24:577-583.
9Stolte M. Lancet, 1992,339: 745- 746.
10Wotherspoon AC,Doglion C,Oiss TC et al. Lancet,1993,342:575-577.
