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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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| 9,134 | Dovepress* | 8,091+ | 1,246 | 9,337 | |
| PubMed Central* | 1,043 | 344 | 1,387 | ||
| Totals | 9,134 | 1,590 | 10,724 | ||
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*Since 1 October 2015 +Since July 2016 |
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