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S12890-018-0581-0
S12890-018-0581-0
http://dx.doi.org/10.1186/S12890-018-0581-0
Prevalence and characteristics of COPD among pneumoconiosis patients at an occupational disease prevention institute: a cross-sectional study.
P356
Q47645100-B276D1EA-49B5-43A3-A17A-907B1C48C21F
P356
S12890-018-0581-0
http://dx.doi.org/10.1186/S12890-018-0581-0