1. Endoscopy;Benedict,1951
2. Fatal gastrointestinal hemorrhage: Diagnostic implications from a study of 200 cases;Berkowitz;Am. J. Gastroenterol.,1963
3. Diagnosis and therapy of gastrointestinal hemorrhage;Cammock;Arch. Surg.,1963
4. Observer variation in endoscopic diagnosis of esophageal varices;Conn;New England J. Med.,1965
5. Simplified intestinal decompression;Ferguson;Surg. Gynec. & Obst.,1965