The abnormally 'normal' UGI series.
D000328:Adult; D000368:Aged; D005188:False Negative Reactions; D005260:Female; D005745:Gastric Acidity Determination; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D011859:Radiography