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Published byNóra Nagy Modified over 5 years ago
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Weekly bronchitis cases (circles, left hand axis) and particulate matter with a diameter below 10 µ (PM10) (crosses, right hand axis), with smoothed curves showing the trends through the decade of study data. Weekly bronchitis cases (circles, left hand axis) and particulate matter with a diameter below 10 µ (PM10) (crosses, right hand axis), with smoothed curves showing the trends through the decade of study data. Some higher PM10 values are off the scale. D Mészáros et al. BMJ Open Resp Res 2015;2:e000063 ©2015 by British Thoracic Society
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