Citation

Li XF, Sun DX, Yuan SP. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2013; 31(7): 538-539.

Affiliation

E-mail: sdx5163@163.com.

Copyright

(Copyright © 2013, Tianjin shi lao dong wei sheng yan jiu suo)

DOI

unavailable

PMID

24053925

Abstract

[Abstract unavailable]

Language: zh