Screening of raw milk samples from Republic of Macedonia for residues of sulfonamides - Elizabeta Dimitrieska-Stojkovikj; Prodanov, Risto; Zehra Hajrulai-Musliu; Biljana Stojanovska-Dimzoska; Pavle Sekulovki; Uzunov, Risto (Faculty of Veterinary Medicine-Skopje, Ss. Cyril and Methodius University in Skopje, North Macedonia, 2011)