What is a Gastroenterologist? - American College of Gastroenterology
https://gi.org/patients/gi-health-and-disease/what-is-a-gastroenterologist/
Gastroenterology is the study of the normal function and diseases of the esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder, bile ducts and liver. It involves a detailed understanding of the normal action (physiology) of the gastrointestinal organs including the movement of material through the stomach and intestine ...
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