Citation

Gao XL, Wang J, Yuan SL. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2009; 27(3): 174.

Copyright

(Copyright © 2009, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

19497230

Abstract

[Abstract unavailable]

Language: zh