title: Air quality on long flights.
authors.forename: R B
authors.initials: RB
authors.lastname: Holland
mesh_terms: D000388:Air / Q000592:standards*; D000391:Air Microbiology; D000401:Aircraft; D006801:Humans; D012141:Respiratory Tract Infections / Q000635:transmission; D013997:Time Factors; D014195:Travel