Payont Sinsuwonkwat, and Cherngchai Chumtarusmi. “The BHK21C13 Suspension Cells Culture in 5% PEG Treated Serum for FMD Virus and Vaccine Production”. Agriculture and Natural Resources 25, no. 2 (June 30, 1991): 200–205. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241966.