title: Gastroenterology and the law.
mesh_terms: D003365:Costs and Cost Analysis; D003953:Diagnosis-Related Groups; D005762:Gastroenterology / Q000191:economics*; D006801:Humans; D006278:Medicare; D011445:Prospective Payment System / Q000331:legislation & jurisprudence*; D012051:Reimbursement Mechanisms / Q000331:legislation & jurisprudence*; D014481:United States