Jabbar, A., and Sajjad-Ur-Rehman. “MICROBIOLOGICAL EVALUATION OF ANTIBIOTIC RESIDUES IN MEAT, MILK AND EGGS”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 2, no. 5, Apr. 2013, pp. 2349-54, https://office2.jmbfs.org/index.php/JMBFS/article/view/7122.