Yousef, S., and R. Mamdouh. “Class I Integron and β-Lactamase Encoding Genes of Multidrug Resistance Salmonella Isolated from Pigeons and Their Environments”. Cellular and Molecular Biology 62, no. 14 (December 30, 2016): 48–54. Accessed January 22, 2022. https://www.cellmolbiol.org/index.php/CMB/article/view/1141.