Correlation between gastroscopic and direct vision biopsy findings.
D001284:Atrophy; D001706:Biopsy; D005753:Gastric Mucosa / Q000166:cytology / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis / Q000473:pathology; D005773:Gastroscopy; D006801:Humans; D013272:Stomach Diseases / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000175:diagnosis / Q000473:pathology