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. 2010 Sep 29;7:27. doi: 10.1186/1743-8977-7-27

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Copyright ©2010 Upadhyay et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Total lavagable cells (2a), absolute macrophage (2b), polymorphonuclear leukocytes (PMN; 2c) and lymphocytes (2d) numbers of brcheoalveolar lavage fluid (BALF) obtained from sham (control) and Augsburg particulate matter (PM_2.5-AB, exposed) instilled SHRs. Dose (250 μg to 1000 μg) and time dependent changes on day 1 and 3 (24 h and 72 h after instillation) are displayed. Bars represent arithmetic mean values ± SE of sham (n = 6) and exposure groups (n = 6). †: Significantly (p < 0.05) higher than 250 μg exposed at 24 h *: Significantly (p < 0.05) higher than sham and 250 μg exposed at 24 h.