Lee, K.-W., et al. “Growth Performance of Broiler Chickens Fed a Carboxymethyl Cellulose Containing Diet With Supplemental Carvacrol and Or Cinnamaldehyde”. International Journal of Poultry Science, vol. 3, no. 9, Aug. 2004, pp. 619–622, https://doi.org/10.3923/ijps.2004.619.622.