Editorial: New roles for the gastroenterologist.
D000574:American Medical Association; D003695:Delivery of Health Care / Q000592:standards*; D004496:Education, Continuing; D004864:Equipment and Supplies; D005762:Gastroenterology / Q000592:standards*; D007883:Legislation, Medical; D010380:Peer Review; D012423:Rural Health / Q000592:standards; D014481:United States; D000078329:Workforce