Numee, S., S. Pikulkeaw, T. Rinut, and N. Chansiripornchai. “Detection and Identification of Ornithobacterium rhinotracheale from Layer Flocks in Chiang Mai, Thailand”. Journal of Mahanakorn Veterinary Medicine, vol. 13, no. 2, Dec. 2018, pp. 147-60, https://li01.tci-thaijo.org/index.php/jmvm/article/view/144805.