Gastroenterology today and tomorrow.
Graham
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Department of Medicine, Veterans Administration Medical Center, Houston, Texas.
D005544:Forecasting; D005762:Gastroenterology / Q000458:organization & administration / Q000639:trends*; D012051:Reimbursement Mechanisms; D012955:Societies, Medical / Q000458:organization & administration / Q000639:trends*; D014481:United States