1.
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 30(7): 543-5, 2012 Jul.
Article
in Chinese
| MEDLINE
| ID: mdl-22931827
2.
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 30(1): 75-8, 2012 Jan.
Article
in Chinese
| MEDLINE
| ID: mdl-22730698