J Macia, X Gomez, B Perez, A Esquerda, R Parra, V Callao; Prognostic value of tumor necrosis factor in plasma of patients with chronic lymphoproliferative syndromes: preliminary results [letter]. Blood 1994; 84 (3): 989–991. doi: https://doi.org/10.1182/blood.V84.3.989b.989b
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