title: Preventing conflicts of interest in physician referrals.
mesh_terms: D000574:American Medical Association; D004992:Ethics, Medical; D006801:Humans; D006278:Medicare / Q000191:economics*; D012017:Referral and Consultation / Q000331:legislation & jurisprudence*; D012051:Reimbursement Mechanisms / Q000331:legislation & jurisprudence*; D014481:United States