Z. Iqbal, R. Ali, J. I. Sultan, A. Ali, Z. Kamran, S. A. Khan, and U. Ahsan. "IMPACT OF REPLACING GRAPE POLYPHENOL WITH VITAMIN E ON GROWTH PERFORMANCE, RELATIVE ORGANS WEIGHT AND ANTIOXIDANT STATUS OF BROILERS." Journal of Animal and Plant Sciences, vol. 24, no. 5, 2014, pp. 1579-1583.