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. Author manuscript; available in PMC: 2009 Jul 15.
Published in final edited form as: Toxicol Appl Pharmacol. 2008 Feb 26;230(2):159–166. doi: 10.1016/j.taap.2008.02.013

Figure 7.

Figure 7

Percentage of macrophages (light bars) and neutrophils (dark bars) in lung lavage fluid 3, 6, 18, 24, 48, and 72 hours after instillation of 50 ug of PM (#, P<0.01; ΔP<0.001 compared to PBS control, ANOVA). Top bars, symbols are for the macrophages; bottom bars, symbols are for the neutrophils.