1.
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 28(11): 838-9, 2010 Nov.
Article
in Chinese
| MEDLINE
| ID: mdl-21241573
Subject(s)
Dust , Occupational Exposure/analysis , Pneumoconiosis/epidemiology , Age of Onset , China/epidemiology , Humans
2.
Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi
; 25(12): 751-2, 2007 Dec.
Article
in Chinese
| MEDLINE
| ID: mdl-18230311