Chronic respiratory disease in Chandigarh teachers--a follow-up study.
Behera
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Malik
S K
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D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007194:India; D008173:Lung Diseases, Obstructive / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D013663:Teaching