title: A mass chest x-ray survey in Philadelphia war industries.
authors.forename: W F
authors.initials: WF
authors.lastname: ELKIN
authors.forename: M A
authors.initials: MA
authors.lastname: IRWIN
authors.forename: C
authors.initials: C
authors.lastname: KURTZHALZ
mesh_terms: D003625:Data Collection; D004194:Disease; D006801:Humans; D007221:Industry; D008400:Mass Chest X-Ray; D015143:Philadelphia; D014857:Warfare