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Prevalence of chronic obstructive pulmonary disease among US working adults aged 40 to 70 years. National Health

Brent Doney1, Eva Hnizdo, Girija Syamlal

  • 1From the National Institute for Occupational Safety and Health (Drs Doney, Hnizdo, Syamlal, Kullman, and Burchfiel); West Virginia University (Dr Martin), Morgantown; and National Institutes of Health (Dr Mujuru), Bethesda, Md.

Journal of Occupational and Environmental Medicine
|October 7, 2014
PubMed
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