Gupta, R. P. and Verma, P. C. (1992) “Effect of Experimental Zinc Deficiency on Protein and Feed Efficiency Ratios in Guinea-Pigs”, The Indian Journal of Nutrition and Dietetics, 29(11), pp. 342–344. Available at: http://informaticsjournals.com/index.php/ijnd/article/view/8354 (Accessed: 5 May 2024).