https://gw786034inhibitor.com/....pspa-selection-serot
The proportion of brand new cases in Huangshi town had been higher than that in Yichang city and Enshi prefecture (χ(2)=272.66, 243.19, P0.05) . Conclusion The coalworker's pneumoconiosis in Hubei Province are typically distributed in small and medium-sized private companies, plus the local circulation is concentrated in Huangshi town, Yichang city and Enshi prefecture. The concentration of cases is closely regarding the number and power production of local coal
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