V, P., S. R, B. H. V, and B. A. S. “A Novel Multiplex PCR System for the Detection of Virulence Associated Genes of E. Coli O157:H7 from Food System”. Recent Research in Science and Technology, vol. 4, no. 5, July 2012, https://updatepublishing.com/journal/index.php/rrst/article/view/897.