Uthasin, W., and K. Sutummaporn. “A Case Report of Canine Pure Red Cell Aplasia in Middle-Aged Male Pomeranian”. Journal of Applied Animal Science, vol. 16, no. 1, May 2023, pp. 9-24, https://he02.tci-thaijo.org/index.php/jaas_muvs/article/view/261608.