7Saltoglu N, Tasova Y, Midikli D, et al. Fever of unknown origin inTurkey: evaluation of 87 cases during a nine-year-period of study[J]. J lnfect,2004,48:81-85.
8Kurzrock R. The role of cytokines in cancer-related fatigue[J]. Cancer,2001,92(6 Suppl) : 1684-1688.
9Miyahara M, Sano M, Shibata K, et al. B-cell lymphoma-associated hcmophagocytic syndrome: clinicopathological characteristlcs[J]. Ann Hematol, 2000,79 : 378-388.
10Das D. Value and limitation of flne-needle aspiration cytology in diag-nosis and classification of lymphomas :a review[J], Diagn Cytopathol, 1999,21 : 240-249.