title: A flight of corporate angels.
authors.forename: P H
authors.initials: PH
authors.lastname: Blum
mesh_terms: D000401:Aircraft; D006801:Humans; D007256:Information Systems; D009369:Neoplasms / Q000628:therapy*; D012017:Referral and Consultation; D014187:Transportation of Patients / Q000191:economics / Q000379:methods*