1. Esophagomyotomy for esophageal achalasia: experimental, clinical, and manometric aspects;Ellis;Ann Surg,1967
2. Traitement chirurgical du mégaoesophage idiopathique. A propos de 345 interventions chirurgicales;Lortat-Jacob;Actual Hepatogastroent,1969
3. Primary surgical treatment for esophageal achalasia;Effler;Surg Gynecol Obstet,1971
4. Ellis FH Jr: Unpublished data.
5. Achalasia of the Esophagus;Ellis,1969