An ulcer is a wound in the lining of the stomach or duodenum, but really any part of the gastrointestinal tract can ulcerate.
Related Journals of Ulcer
Ulcers Journal, The Journal of the American Medical Association, American Journal of Epidemiology, American Journal of Critical Care, American Meterological Society, Journal of Thoracic Oncology, Journal of Wound, Ostomy and Continence Nursing
Global Journal of Digestive Diseases received 112 citations as per Google Scholar report