1. The Lundh meal and ERCP in pancreatic disease;Ashton;Gut,1977
2. ERCP and fine needle percutaneous transhepatic cholangiography in the diagnosis of biliary tract disease;Benjamin;British Journal of Surgery,1978
3. A study of pancreatography;Birnstingl;British Journal of Surgery,1959
4. Carcinoma of the ampulla of Vater and duodenum;Blumgart;British Journal of Surgery,1973
5. Endoscopy and retrograde choledochopancreatography in the diagnosis of the patient with jaundice;Blumgart;Surgery, Gynecology and Obstetrics,1974