Yama, Sarawut, Am Chaimongkhol, Somsak Channoi, Sakhorn Pornprasert, and Wanna Suriyasathaporn. 2018. “Activated Partial Thromboplastin Time (APTT) in Dogs Tested by In-House Crude Cephalin from Canine Brain”. The Thai Journal of Veterinary Medicine 46 (1):143-48. https://he01.tci-thaijo.org/index.php/tjvm/article/view/49795.