title: [Investigation on status and need of classification of pneumoconiosis control in Tangshan city].
authors: Chun-fang
authors: CF
authors: Lin
authors: Fu-hai
authors: FH
authors: Shen
authors: Bing-ci
authors: BC
authors: Liu
mesh_terms: 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
chemical_list: D004391:Dust