Respiratory health of two cohorts of ter
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Helen Dimich-Ward; Kris J. Beking; Anne Dybuncio; Karen H. Bartlett; Barbara J.
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Article
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2010
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John Wiley and Sons
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English
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## Abstract ## Introduction We evaluated the respiratory health of two cohorts of grain terminal elevator workers who participated in one of either respiratory health surveys undertaken in 1978 and 2008. ## Methods Questionnaire and spirometry data from 584 workers from the 1978 survey and 215 w