Citation

Sun CF, Ma SH, Chen R. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2006; 24(12): 729.

Copyright

(Copyright © 2006, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

17241544

Abstract

[Abstract unavailable]

Language: zh