Trisiriwanich, Sakalin, Sompong Sapsutthipas, Kornnika Kullabutr, Ashma Yuso, and Supaporn Phumiamorn. 2023. “Comparison of the Plaque Assay and 50% Cell Culture Infectious Dose Assay Methods for Quantification Measuring SARS-CoV-2 Wuhan-Hu-1 Strain Infectivity”. Thai Food and Drug Journal 30 (2). Nonthaburi, Thailand:33-48. https://he01.tci-thaijo.org/index.php/fdajournal/article/view/265170.