IMPACT OF SMALL OIL CONCENTRATIONS (25-100 PPM) ON CONCENTRATION OF HAEMOGLOBIN AND TOTAL SERUM PROTEIN IN THE BLOOD OF CYPRINUS CARPIO, ACIPENSER PERSICUS AND HUSO HUSO

R.Y.Abbasov, B.H.Allahverdiyev, Z.R.Jafarov, A.A.Nasibov