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1471-2458-12-302
1471-2458-12-302
http://dx.doi.org/10.1186/1471-2458-12-302
Association between occupational exposure and the clinical characteristics of COPD
P356
Q28390487-E1231E08-6DCD-4D83-8C4F-F0E9ACB1399A
P356
1471-2458-12-302
http://dx.doi.org/10.1186/1471-2458-12-302