title: A follow-up study after twenty years on the relationship between air pollution and anthracosis.
authors.forename: K
authors.initials: K
authors.lastname: Nishi
authors.forename: N
authors.initials: N
authors.lastname: Ito
authors.forename: N
authors.initials: N
authors.lastname: Narita
authors.forename: T
authors.initials: T
authors.lastname: Hirota
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000397:Air Pollution; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D006801:Humans; D007223:Infant; D007564:Japan / Q000453:epidemiology; D008875:Middle Aged; D011009:Pneumoconiosis / Q000453:epidemiology*; D014505:Urban Population