Epidemiological investigation of patients with pneumoconiosis in China Railway Fourth Group Corporation

Zhao, X.-Q.; Huang, X.-Y.

Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 26(7): 419-420

2008


ISSN/ISBN: 1001-9391
PMID: 19080382
Document Number: 627822

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