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Back to Journals » International Journal of Chronic Obstructive Pulmonary Disease » Volume 10 » Issue 1
Original Research
Prevalence and risk factors for COPD in greenhouse farmers: a large, cross-sectional survey of 5,880 farmers from northeast China
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| PubMed Central* | 1,023 | 340 | 1,363 | ||
| Totals | 9,067 | 1,573 | 10,640 | ||
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