COMPARATIVE STUDY ON THE ACTIVITY OF 5'-NUCLEOTIDASE 5-NT AND GAMMA GLUTAMYL TRANSFERASE (GGT) IN SOME TISSUES OF DONKEYS, CALVES AND GOATS (THE EFFECT OF FREEZING AND THAWING) (With One Table and 2 Figures)
Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ