Gastroscopy--experience of 1,500 examinations.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004938:Esophageal Neoplasms / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D020699:Gastroscopes; D005773:Gastroscopy; D006801:Humans; D008875:Middle Aged; D013276:Stomach Ulcer / Q000175:diagnosis