ZINC AND COPPER BIOACCUMULATION LEVELS IN MUSCLE, GILL AND LIVER TISSUES OF AN ENDEMIC FISH SPECIES (SEYDISUYU STREAM BASIN / ESKIŞEHIR / TURKEY). - ÇİÇEK, Arzu; TOKATLI, Cem; KÖSE, Esengül; BAŞKURT, Sercan; ERMİROĞLU, Özgür (Sigma: Journal of Engineering & Natural Sciences / Mühendislik ve Fen Bilimleri Dergisi, 2017)