Tan, Sheng-Guo, Na Liu, and Ping-Yuan Xu. 2015. “Prevalence of Porcine Sapovirus in Suckling Piglets in Hunan Province, China”. The Thai Journal of Veterinary Medicine 45 (3):443-48. https://he01.tci-thaijo.org/index.php/tjvm/article/view/39822.