Biopsy studies of the gastric mucosa.
D001706:Biopsy; D005753:Gastric Mucosa; D005756:Gastritis / Q000175:diagnosis*; D006801:Humans; D008910:Minnesota; D010437:Peptic Ulcer / Q000473:pathology*; D013270:Stomach / Q000473:pathology*
BIOPSY; GASTRITIS/diagnosis; PEPTIC ULCER/pathology; STOMACH/pathology