[Investigation on status and need of classification of pneumoconiosis control in Tangshan city].
Lin
Chun-fang
CF
Shen
Fu-hai
FH
Liu
Bing-ci
BC
D001294:Attitude to Health; D002681:China; D004391:Dust / Q000517:prevention & control*; D006801:Humans; D020380:Needs Assessment; D016273:Occupational Exposure / Q000517:prevention & control*; D009786:Occupational Health Services; D011009:Pneumoconiosis / Q000517:prevention & control*; D011795:Surveys and Questionnaires
D004391:Dust