Rusli, R. (2015) “Effect of Mangosteen Pericarp Meal and Vitamin E Supplements on the Performance, Blood Profiles, Antioxidant Enzyme and HSP 70 Gene Expression of Laying Hens in Tropical Environment”, International Journal of Poultry Science, 14(10), pp. 570–576. doi:10.3923/ijps.2015.570.576.