[Histological changes in the gastric mucosa in gastroduodenal ulcer and in normal young subjects].
D004381:Duodenal Ulcer; D005753:Gastric Mucosa; D005756:Gastritis; D006801:Humans; D010437:Peptic Ulcer; D013276:Stomach Ulcer
DUODENAL ULCER; GASTRITIS; STOMACH ULCER