title: [Survey and analysis of abnormal change of lung and occupational protection for train supercargo].
authors.affiliation: Institute of Occupational Health, Center for Disease Control and Prevention, Xinjaing, Urumqi 830002, China.
authors.forename: Lijiang
authors.initials: L
authors.lastname: Zhang
authors.affiliation: Email:hhua@126.com.
authors.forename: Hua
authors.initials: H
authors.lastname: He
authors.forename: Jinbao
authors.initials: J
authors.lastname: Liu
authors.forename: Jun
authors.initials: J
authors.lastname: Liu
authors.forename: Xinfeng
authors.initials: X
authors.lastname: Li
authors.forename: Liang
authors.initials: L
authors.lastname: Zhang
authors.forename: Yanqing
authors.initials: Y
authors.lastname: Ma
mesh_terms: D003625:Data Collection; D006801:Humans; D008168:Lung; D016273:Occupational Exposure; D011890:Railroads