title: [He always gave a discount...].
authors.affiliation: Faculteit der Diergeneeskunde, Rijksuniversiteit Utrecht.
authors.forename: Anton
authors.initials: A
authors.lastname: Beijer
mesh_terms: D000818:Animals; D003132:Commerce / Q000706:statistics & numerical data; D003365:Costs and Cost Analysis; D006801:Humans; D007182:Income; D009426:Netherlands; D014481:United States; D014730:Veterinary Medicine / Q000191:economics*