title: Prudent buyer.
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000331:legislation & jurisprudence; D003365:Costs and Cost Analysis; D007350:Insurance, Hospitalization / Q000331:legislation & jurisprudence; D006278:Medicare / Q000331:legislation & jurisprudence; D011682:Purchasing, Hospital / Q000191:economics* / Q000331:legislation & jurisprudence / Q000379:methods; D014481:United States