Fair reliability of eckardt scores in achalasia and non-achalasia patients: Psychometric properties of the eckardt spanish version in a multicentric study

1. Cisternas, D.
2. Monrroy, H.
3. Riquelme, A.
4. Padilla, O.
5. Fuentes-López, E.
6. Valle, A.
7. Mejia, R.
8. Hani, A.
9. Ardila-Hani, A.F.
10. Leguizamo, A.M.
11. Bilder, C.
12. Ditaranto, A.
13. Remes-Troche, J.M.
14. Ruiz de León, A.
15. Pérez de la Serna, J.
16. Marin, I.
17. Serra, J.