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Figure 3 | Environmental Health

Figure 3

From: Divergent effects of urban particulate air pollution on allergic airway responses in experimental asthma: a comparison of field exposure studies

Figure 3

Effect of CAPs exposure on BALF cellularity. Animals were sensitized and challenged with saline (white bars) or with OVA (black bars) immediately prior to exposure to CAPs in Grand Rapids (A, B, C), or Detroit (D, E, F). Twenty four hours after the CAPs exposure bronchoalveolar lavage fluid was collected and total cells, eosinophils, and neutrophils were enumerated as described in Methods. * = significantly different from respective group challenged with saline; ** = significantly different from respective group exposed to filtered air; n = 8/group; p < 0.05.

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