Le NT, Pham ST, Dang KD, Le TT, Tran YH, Nguyen TN. Formulation of Lozenges Containing Menthol and Citrus hystrix DC. Essential Oil for Pharyngitis Support Treatment: http://www.doi.org/10.26538/tjnpr/v7i10.17. TJNPR. 2023;7(10):4233-4241. Accessed November 23, 2024. https://tjnpr.org/index.php/home/article/view/2819