The regulation of tumor necrosis factor-alpha production in murine mast cells: pentoxifylline or dexamethasone inhibits IgE-dependent production of TNF-alpha by distinct mechanisms. - Schmidt-Choudhury,A.; Furuta,G.T.; Lavigne,J.A.; Galli,S.J.; Wershil,B.K. (Cell Immunol, 1996)