Duodenal Ulcer: What Is It?
Describes duodenal ulcers, raw areas that occur in the lining in the upper part of the small intestine (duodenum), where it connects to the stomach.
eMedicine.com: Duodenal Ulcers
Clinical notes on duodenal ulcers, also known as peptic ulcer disease or dyspepsia, including differentials, workup, medications, and follow-up care.
H. pylori and Peptic Ulcer
Explains new research that indicates Helicobacter pylori (H. pylori) bacteria are responsible for the majority of peptic ulcers. From the U.S. National Digestive Diseases Information Clearinghouse.