Determination of zeranol residues levels in bovine urine with ELISA method - Zehra Hajrulai-Musliu; Uzunov, Risto; Elizabeta Dimitrieska-Stojkovikj; Biljana Stojanovska-Dimzoska; Pavle Sekulovki; Stojkovski, Velimir; Aleksandra Todorovic (Faculty of Veterinary Medicine-Skopje, Ss. Cyril and Methodius University in Skopje, North Macedonia, 2012)