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. 2003 Mar 17;197(6):735–742. doi: 10.1084/jem.20021153

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Copyright © 2003, The Rockefeller University Press

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Figure 2. — Adherence of B. pertussis to cell lines in vitro. Human pulmonary epithelial cells A549 (A) and murine alveolar macrophage-like MH-S cells (B) were incubated with the indicated ³⁵S-labeled bacteria at a multiplicity of infection of 20. After washing, adherence was assessed by scintillation counting. The results are expressed as percentages of counts per minute relative to the counts per minute present in the inoculum. Black bars, BPRA, gray bars, BPDR, white bars, BPLC6 and stippled bars, BPLC8. The data represent averages and standard deviations for triplicate experiments. *P < 0.01 relative to values obtained for BPRA.