Idowu, Fagbamila, et al. “Antimicrobial Screening of Commercial Eggs and Determination of Tetracycline Residue Using Two Microbiological Methods”. International Journal of Poultry Science, vol. 9, no. 10, Sept. 2010, pp. 959–962, https://doi.org/10.3923/ijps.2010.959.962.