Gastric biopsy and gastritis.
D000740:Anemia; D000752:Anemia, Pernicious / Q000175:diagnosis*; D001706:Biopsy; D005756:Gastritis / Q000175:diagnosis*; D006801:Humans; D013270:Stomach
ANEMIA, PERNICIOUS/diagnosis; BIOPSY; GASTRITIS/diagnosis; STOMACH