Naseem S, Younus M, Anwar B, Ghafoor A, Aslam A, Akhter S. Effect of Ascorbic Acid and Acetylsalicylic Acid Supplementation on Performance of Broiler Chicks Exposed to Heat Stress. Int. J. Poult. Sci. 2005;4(11):900–904. doi:10.3923/ijps.2005.900.904