Citation

Wang R, Su C, Zhang Q. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2014; 32(9): 703-704.

Copyright

(Copyright © 2014, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

25511280

Abstract

[Abstract unavailable]

Language: zh