Mingngamsup, N., A. Amen, and S. Phumiamorn. “Freeze-Drying of Monovalent Rotavirus for Use As a National Vaccine Reference Standard”. Journal of Health Science of Thailand, vol. 25, no. 5, Nov. 2017, pp. 897-0, https://thaidj.org/index.php/JHS/article/view/375.