title: Crocodile tiers.
authors.forename: David M
authors.initials: DM
authors.lastname: Shaw
mesh_terms: D003695:Delivery of Health Care / Q000941:ethics / Q000592:standards*; D017048:Health Care Costs / Q000941:ethics; D006801:Humans; D009313:National Health Programs / Q000941:ethics / Q000592:standards*; D028701:Patient Rights / Q000941:ethics*; D006113:United Kingdom