GLUTATHIONE AND ANTIOXIDANT ENZYMES IN THE HEPATOPANCREAS OF CRAYFISH PROCAMBARUS CLARKII (GIRARD, 1852) OF LAKE TRASIMENO (ITALY)A. C. ELIA, A. J. M. DÖRR, C. MASTRANGELO, M. PREARO and M. C. ABETEBull. Fr. Pêche Piscic., 380-381 (2006) 1351-1361DOI: https://doi.org/10.1051/kmae:2006040