title: THE NORMAL DUODENAL BULB.
mesh_terms: D000293:Adolescent; D003933:Diagnosis; D004381:Duodenal Ulcer; D004386:Duodenum; D005471:Fluoroscopy; D005767:Gastrointestinal Diseases; D005853:Geriatrics; D006801:Humans; D011859:Radiography; D013270:Stomach
keywords: ADOLESCENCE; DIAGNOSIS; DUODENAL ULCER; DUODENUM; FLUOROSCOPY; GASTROINTESTINAL DISEASES; GERIATRICS; RADIOGRAPHY; STOMACH