Nattarat Thangthumniyom, Tippawan Juntafong, Nuntawan Petcharat, Pariwat Poolperm, Chalermpol Lekcharoensuk, and Porntippa Lekcharoensuk. 2011. “Development of a Quantitative, Competitive-PCR (QC-PCR) Assay to Determine the DNA Load of Porcine Circovirus Type 2 (PCV2) in Blood and Fecal Swabs”. Agriculture and Natural Resources 45 (6). Bangkok, Thailand:1028-37. https://li01.tci-thaijo.org/index.php/anres/article/view/245299.