title: Is it defensible to use volume standards for purchasing care?
authors.forename: Lucian L
authors.initials: LL
authors.lastname: Leape
mesh_terms: D006801:Humans; D007902:Length of Stay / Q000191:economics / Q000706:statistics & numerical data*; D019984:Quality Indicators, Health Care / Q000191:economics / Q000592:standards*; D013514:Surgical Procedures, Operative / Q000191:economics / Q000592:standards* / Q000706:statistics & numerical data*