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Proportions of macrophages (a), eosinophils (b), and T cells (c) present following the culture of isolated colonic lamina propria cells with C. difficile toxin A (1,000 ng/ml; hatched bars) or control medium (solid bars) for 24 to 120 h. The proportions of each cell type in cytospin preparations were determined. $, P < 0.01 versus control; ∗, P < 0.03 versus control.
