C. Marchini, P. Silva, M. Nascimento, M. Beletti, N. Silva, and E. Guimaraes, “Body Weight, Intestinal Morphometry and Cell Proliferation of Broiler Chickens Submitted to Cyclic Heat Stress”, Int. J. Poult. Sci., vol. 10, no. 6, pp. 455–460, May 2011, doi: 10.3923/ijps.2011.455.460.