Ahmed, S. T. ., Jasim, A. N. ., & Ali, A. M. . (2011). Isolation and characterization E. coli O157:H7 from meat &cheese and detection of Stx1, Stx2, hlyA, eaeA by using multiplex PCR. Journal of Biotechnology Research Center, 5(2), 15–24. https://doi.org/10.24126/jobrc.2011.5.2.155