Difficulties in determining prophylactic transfusion thresholds of platelets in leukemia patients.

1. Murase T, Nakamura S, Tashiro K, Suchi T, Hiraga J, Hayasaki N, Kimura M, Murakami M, Mizoguchi Y, Suzuki T, Saito H: Malignant histiocytosis-like B-cell lymphoma, a distinct pathologic variant of intravascular lymphomatosis: A report of five cases and review of the literature. Br J Haematol 99:656, 1997 2. Cheever AW: Schistosomiasis and neoplasia. J Natl Cancer Inst 61:13, 1978 3. Tajima K, Fujita K, Tsukidate S, Oda T, Tominaga S, Suchi T, Hinuma Y: Seroepidemiological studies on the effects of filarial parasites on infestation of adult T-cell leukemia virus in the Goto islands, Japan. Jpn J Cancer Res (Gann) 74:188, 1983 4. Facer CA, Playfair JHL: Malaria, Epstein-Barr virus, and the genesis of lymphomas. Adv Cancer Res 53:33, 1989 5. Araujo I, Foss HD, BittencourtA, Hummel M, Demel G, Mendonca N, Herbst H, Stein H: Expression of Epstein-Barr virus gene products in Burkitt’s lymphoma in northeast Brazil. Blood 87:5279, 1996 6. Gutiérrez Ramos R, Tsuji M: Detection of antibodies to Anisakis simplex larvae by enzyme-linked immunosorbent assay and immunoelectrophoresis using crude or purified antigens. J Helminthol 68:305, 1994 7. Petithory JC, Paugam B, Buyet-Rousset P, Paugam A: Anisakis simplex, a co-factor of gastric cancer? Lancet 2:1002, 1990 (letter)