Citation

Liu RJ, Ren AN. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2016; 34(12): 937-938.

Copyright

(Copyright © 2016, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

28241687

Abstract

[Abstract unavailable]

Language: zh