problems of the digestive system

acidity anatomy bile bloating burning cholecystitis cholelithiasis diagnosis digestion digestive disease duodenum dyspepsia erosion esophagus flatulence gall gallbladder gallstones gaster gastritis gastroduodenitis gastroenterologist gastroenterology healthy heartburn helicobacter hepar hepatic hepatite hepatitis hepatoprotector illustration indigestion inflammation intestines jaundice label liver medical medicine pylori salmonella shigella sticker stomach system ulcers vector