Payont Sinsuwonkwat, & Cherngchai Chumtarusmi. (1991). The BHK21C13 Suspension Cells Culture in 5% PEG Treated Serum for FMD Virus and Vaccine Production. Agriculture and Natural Resources, 25(2), 200–205. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/241966