title: Discount chores.
authors.forename: R J
authors.initials: RJ
authors.lastname: Nelson
mesh_terms: D003365:Costs and Cost Analysis; D004345:Drug Industry / Q000191:economics*; D006801:Humans; D006113:United Kingdom; D014612:Vaccines; D014730:Veterinary Medicine / Q000191:economics*
chemical_list: D014612:Vaccines