Yalçın, Semiha, Ayla Ünver Alçay, Gözde Yüzbaşıoğlu, Burcu Çakmak, and Aysun Sağlam. 2017. “A Study on Prevalence of Escherichia Coli O157 With a Verified Method in Foods”. Turkish Journal of Agriculture - Food Science and Technology 5 (4):294-98. https://doi.org/10.24925/turjaf.v5i4.294-298.1005.