title: Portable gas chromatographs.
authors.forename: G E
authors.initials: GE
authors.lastname: Burroughs
authors.forename: M W
authors.initials: MW
authors.lastname: Tabor
mesh_terms: D002849:Chromatography, Gas / Q000295:instrumentation* / Q000592:standards*; D004784:Environmental Monitoring / Q000295:instrumentation*; D006801:Humans; D016272:Occupational Health