Wanasawaeng, Wisanu, and Niwat Chansiripornchai. 2015. “Molecular Classification of Infectious Laryngotracheitis Virus from Chick Embryo Origin Vaccine, Tissue Culture Origin Vaccine and Field Isolates”. The Thai Journal of Veterinary Medicine 40 (4):393-98. https://he01.tci-thaijo.org/index.php/tjvm/article/view/35777.