title: [Billing rounds].
authors.forename: Iaira
authors.initials: I
authors.lastname: Boissevain
mesh_terms: D000818:Animals; D005249:Fees and Charges; D006801:Humans; D009426:Netherlands; D012017:Referral and Consultation / Q000191:economics*; D014730:Veterinary Medicine / Q000191:economics*