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3. Immune response modulation by pentoxifylline in vitro;Tilg;Transplantation,1993
4. Pentoxifylline: a potent inhibitor of IL-2 and IFN-γ biosynthesis and BCG-induced cytotoxicity;Thanhauser;Immunology,1993
5. Xanthine derivatives: comparison between suppression of tumor necrosis factor α production and inhibition of cAMP phosphodiesterase activity;Semmler;Immunology,1993