GASTRIC MUCOSAL CHANGES IN PEPTIC ULCER.
D004381:Duodenal Ulcer; D005750:Gastric Juice; D005753:Gastric Mucosa; D006801:Humans; D010336:Pathology; D010437:Peptic Ulcer; D013276:Stomach Ulcer
DUODENAL ULCER; GASTRIC JUICE; GASTRIC MUCOSA; PATHOLOGY; STOMACH ULCER