Very long-term objective evaluation of Heller myotomy plus posterior partial fundoplication in patients with achalasia of the cardia

1. Ortiz, A.
2. De Haro, L.F.M.
3. Parrilla, P.
4. Lage, A.
5. Perez, D.
6. Munitiz, V.
7. Ruiz, D.
8. Molina, J.