Evaluation of Antiviral Effects and Toxicity of Herbal Medicine Vipdervir Capsules, Nguyen, Thi-Lien, Thanh Huong Ha Thi, Tuan Kiet Ngo, Son Doan Cao, Le Quang Thao, Thi Hang Nguyen, Duy Tien Vuong, Tam Quyen Doan Thi, and Le Quang Huan , Pharmacognosy Journal, June 2022, Volume 14, Issue 3, p.681-689, (2022)