Is organic farming safer to farmers' health? A comparison between organic and traditional farming

1. Costa, C.
2. García-Lestón, J.
3. Costa, S.
4. Coelho, P.
5. Silva, S.
6. Pingarilho, M.
7. Valdiglesias, V.
8. Mattei, F.
9. Dall'Armi, V.
10. Bonassi, S.
11. Laffon, B.
12. Snawder, J.
13. Teixeira, J.P.