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Chronic Obstructive Pulmonary Disease and Smoking in Grain Workers

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Division of Pulmonary Medicine, University Hospital, University of Saskatchewan; Saskatoon, Canada

Ann Intern Med. 1977;87(6):784-786. doi:10.7326/0003-4819-87-6-784
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Recent reports by doPico and associates (1) and Sheridan and colleagues (2) support earlier suggestions (3-7) that workmen employed in the cereal grain transporting and storage industry may be at risk of developing lung disease. The precise nature of this disease appears to be uncertain because a number of conditions including allergic asthma, febrile reactions (grain fever), fibrosis of the lungs, allergic alveolitis, and chronic obstructive pulmonary disease have been reported (1, 2). A number of symptom complexes or illnesses may occur in this occupationally exposed group as a result of the numerous substances that make up grain dust: grain


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