1. Symptoms ten to twenty years after fundoplication;Ackermann,1987
2. Reoperations after complications of failure of antireflux surgery;Ancona,1986
3. A ten year appraisal of the anti-reflux prosthesis;Angelchik;American Journal of Gastroenterology,1983
4. The lower esophageal sphincter after floppy Nissen fundoplication;Bancewicz;British Journal of Surgery,1987
5. Complications of the Angelchik antireflux prosthesis;Benjamin;Annals of Internal Medicine,1984