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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Toxicol Appl Pharmacol. 2009 Mar 9;236(3):348–357. doi: 10.1016/j.taap.2009.02.023

Figure 1a-h.

Figure 1a-h

Figure 1a-h

Figure 1a-h

Figure 1a-h

Figure 1a-h

Figure 1a-h

Figure 1a-h

Figure 1a-h

Representative normal light and dark-field (crossed polar filters) images of isotropic and anisotropic particles from: a, b) Dairy Barn PM2.5–10, c, d) Dairy Barn PM2.5, e, f) Coalinga, CA ambient air PM2.5–10, g, h) Parlier, CA ambient air PM2.5–10. Bar = 10μm.