Citation

Liu YM, He JM, Li YQ. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2010; 28(8): 627-631.

Copyright

(Copyright © 2010, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

21126467

Abstract

[Abstract unavailable]

Language: zh