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Continued increase in prevalence of r-type opacities among underground coal miners in the USA

Authors

  1. Correspondence to Dr Noemi B Hall, Respiratory Health Division, National Institute of Occupational Safety and Health, Morgantown, WV 26505–2888, USA; nhall{at}cdc.gov
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Citation

Hall NB, Blackley DJ, Halldin CN, et al
Continued increase in prevalence of r-type opacities among underground coal miners in the USA

Publication history

  • Received January 3, 2019
  • Revised April 8, 2019
  • Accepted April 14, 2019
  • First published April 25, 2019.
Online issue publication 
June 13, 2019

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