Lee, K.-W., H. Everts, H.J. Kappert, and A.C. Beynen. 2004. “Growth Performance of Broiler Chickens Fed a Carboxymethyl Cellulose Containing Diet With Supplemental Carvacrol and Or Cinnamaldehyde”. International Journal of Poultry Science 3 (9): 619–622. https://doi.org/10.3923/ijps.2004.619.622.