Citation

Gao YF, Shi J. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2010; 28(7): 525-526.

Copyright

(Copyright © 2010, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

21114033

Abstract

[Abstract unavailable]

Language: zh