1. Observed variations in the endoscopic diagnosis of oesophageal varices;Conn;New England Journal of Medicine,1965
2. ‘Open tube’ versus fibreoptic endoscopy for the evaluation of oesophageal varices;Dagradi;American Journal of Gastroenterology,1973
3. Bleeding oesophageal varices;Dagradi;Archives of Surgery,1966
4. Endoscopic study of the cirrhotic patient before and following a porta-caval shunt for bleeding varices;Dagradi;American Journal of Gastroenterology,1970
5. The problem of diagnosis of oesophageal varices;Dagradi;Bulletin of Gastrointestinal Endoscopy,1961