Talazadeh, F., M. Mayahi, and M. Fathi. “Evaluation of Immunostimulatory Effects of a Commercial Herbal Extract on Avian Influenza Subtype H9N2 and Newcastle Disease Vaccination in Chickens”. Journal of the Hellenic Veterinary Medical Society, vol. 73, no. 2, July 2022, pp. 4023-30, doi:10.12681/jhvms.26157.