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Figure 3 | Journal of Occupational Medicine and Toxicology

Figure 3

From: Airborne particulate matter PM2.5 from Mexico City affects the generation of reactive oxygen species by blood neutrophils from asthmatics: an in vitro approach

Figure 3

Photomicrograph of respirable particles sampled at the CENICA site. Numbers 1, 3 and 8 correspond to spheres; numbers 2, 4 and 7 correspond to clusters; 5 and 6 plates; number 9 corresponds to the reticular form. Numbers 1–5 correspond to the coarse fraction and numbers 6–9 to the fine fraction.

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Journal of Occupational Medicine and Toxicology

ISSN: 1745-6673