Changes in smoking habits in adults: Results from a prospective study in Spain

1. Agudo, A.
2. Pera, G.
3. Rodriguez, M.
4. Quiros, J.R.
5. Navarro, C.
6. Martinez, C.
7. Larrañaga, N.
8. Fernandez, A.
9. Dorronsoro, M.
10. Chirlaque, M.D.
11. Berenguer, A.
12. Barricarte, A.
13. Ardanaz, E.
14. Amiano, P.
15. Tormo, M.J.
16. Gonzalez, C.A.