Chanroon, Kawinthip, Thanat Tuntipas, Promsin Sukpanich, Pawit Punyarit, and Sirilak Disatian Surachetpong. 2018. “Novel Methods to Diagnose Pulmonary Hypertension in Dogs Assessed by Thoracic Radiography”. The Thai Journal of Veterinary Medicine 48 (3):385-91. https://he01.tci-thaijo.org/index.php/tjvm/article/view/147864.