ANTRAL GASTRITIS: A BIOPSY STUDY OF ITS RELATION TO DUODENAL ULCER AND THE ULCER-LIKE SYNDROME.
D001706:Biopsy; D004381:Duodenal Ulcer; D005756:Gastritis; D005773:Gastroscopy; D006801:Humans; D014456:Ulcer
BIOPSY; DUODENAL ULCER; GASTRITIS; GASTROSCOPY