Gastroenterology involves the overall understanding of the normal gastrointestinal organs action. Gastroenterologists have to understand motility - the movement of material through the stomach and intestine, the digestion and absorption of nutrients and the function of the liver.


There are many other diagnosis instruments used for medicine such as EMR and esd instruments, urology instruments equipped with endoscopic equipments like hemostasis clip, endoscopic accessories and so on.
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