Detection of Vt1 and Vt2 Genes in E. Coli O157:H7 Isolated from Soft Cheese in Basrah, Iraq Using Duplex Pcr. SJUOZ. 2013;1(1):58-64. Accessed November 6, 2025. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/37