Andriichuk, I. R., and L. L. Davtyan. “Study of Stability of Chewable Tablets With Dry Extract of Oat and Quercitinum During Storage Period”. Farmatsevtychnyi Zhurnal, no. 2, Feb. 2019, pp. 20-23, https://pharmj.org.ua/index.php/journal/article/view/239.