Citation

Mei LY, Song XJ, Liu XH. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2017; 35(4): 307-308.

Copyright

(Copyright © 2017, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

28614938

Abstract

[Abstract unavailable]

Language: zh