Citation

Yu Z, Sun B, Jian X. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2015; 33(3): 235-237.

Affiliation

E-mail: sunbaoquan1975@126.com.

Copyright

(Copyright © 2015, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

25916460

Abstract

[Abstract unavailable]

Language: zh