Temeeyasen, Gun, Anchalee Srijangwad, Thitima Tripipat, Angkana Tantituvanont, and Dachrit Nilubol. 2019. “Emergence of a classical variant of porcine epidemic diarrhea virus novel to Thailand responsible for the milder clinical disease in a herd previously infected with a pandemic variant”. The Thai Journal of Veterinary Medicine 48 (4):663-69. https://he01.tci-thaijo.org/index.php/tjvm/article/view/179866.