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. 2013 Jun 21;2(3):e000212. doi: 10.1161/JAHA.113.000212

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© 2013 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley-Blackwell.

This is an Open Access article under the terms of the Creative Commons Attribution Noncommercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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Figure 2. — Effect of controlled exposures to fine concentrated ambient particles (CAPs) and coarse CAPs on systolic and diastolic blood pressure (BP). Differences in CAPs vs medical air (control) exposures of systolic and diastolic BP in postexposure measurements. βs and 95% confidence intervals expressing the difference in BP (mm Hg) between CAPs exposures and control exposure (HEPA‐filtered medical air) in postexposures measurements. HEPA indicates high‐efficiency particulate air.