Serdioucov, J. K., S. M. Zabudskyi, O. V. Kruchynenko, and S. M. Mykhailiutenko. “Microscopic Changes in the Digestive Organs of Domestic Canaries Poisoned With Canthaxanthin ”. Regulatory Mechanisms in Biosystems, Vol. 10, no. 4, Oct. 2019, pp. 394-9, doi:10.15421/021959.