GASTROPHOTOGRAPHY.
D005753:Gastric Mucosa; D005773:Gastroscopy; D006801:Humans; D010781:Photography; D013270:Stomach; D013274:Stomach Neoplasms; D013276:Stomach Ulcer
GASTRIC MUCOSA; GASTROSCOPY; PHOTOGRAPHY; STOMACH; STOMACH NEOPLASMS; STOMACH ULCER