[CHRONIC GASTRITIS IN GASTRODUODENAL ULCER].
D004381:Duodenal Ulcer; D005753:Gastric Mucosa; D005756:Gastritis; D006801:Humans; D010437:Peptic Ulcer; D013276:Stomach Ulcer
DUODENAL ULCER; GASTRIC MUCOSA; GASTRITIS; PEPTIC ULCER; STOMACH ULCER