Crandell, D.R., 1971, Postglacial lahars from Mount Rainier volcano, Washington: U.S. Geological Survey Professional Paper 677, p. 1-75.
Training Requirements. To qualify a gastroenterologist, you will have to first complete a 4 year medical school program and receive either an M.D. or a D.O. You will then need to complete a 2 to 3 year residency program, typically in internal medicine.o qualify a gastroenterologist, you will have to first complete a 4 year medical school program and receive either an M.D. or a D.O. You will then need to complete a 2 to 3 year residency program, typically in internal medicine.
The gastroenterology medical specialty focuses on diagnosis and treatment of the digestive system and medical conditions affecting it. The length of the gastrointestinal tract spans from mouth to anus. Testing and gastroenterology procedures are performed all along the gastrointestinal tract, and may be localized in different areas depending on your condition or symptoms.