Sahashi, Y. and Hikasa, Y. (2022) “Therapeutic effects of sildenafil combined with low-dosage imatinib on pulmonary hypertension in five dogs”, The Thai Journal of Veterinary Medicine, 52(3), pp. 633–638. available at: https://he01.tci-thaijo.org/index.php/tjvm/article/view/258671 (accessed: 7 October 2026).