Citation

Fang L, Shao ZH, Yu QQ. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2011; 29(5): 397-398.

Affiliation

qhfang.li@163.com

Copyright

(Copyright © 2011, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

21972548

Abstract

[Abstract unavailable]

Language: zh