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Electron micrographs of mouse peritoneal macrophages infected with E. faecalis 418. Infected macrophages were processed for transmission electron microscopy (see Materials and Methods) at 6 h (A), 24 h (B), 48 h (C), and 72 h (D) postinfection. Bars, 1 μm (A and D) or 2 μm (B and C).
