Identification and description of controlled clinical trials in Spanish language dental journals

1. Villanueva, J.
2. Delgado, I.
3. Saldarriaga, J.R.
4. Gargallo, M.G.
5. Amaro, Y.
6. Zapata, S.
7. Núñez, L.
8. Zamorano, G.
9. Pardo-Hernandez, H.
10. Bonfill, X.
11. Martin, C.