Thomas, R., et al. “Estimation of Concentration of Selected Heavy Metals in Muscle, Liver and Bones of Pigs : 10.5958 2581-6616.2020.00022.5 ”. Journal of Meat Science, vol. 15, no. 1, Aug. 2020, pp. 56-59, https://acspublisher.com/journals/index.php/jms/article/view/1540.