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Results of chromium release cytotoxicity assays of rat neutrophil killing of L6 myotubes. Bars = s.e.m.n = 6 for each group. * Significantly different from muscle cells only under same culture conditions at P < 0.01. # Significantly different from neutrophil and muscle co-cultures with HBSS in the absence of exogenous activators. PMN = neutrophils.
