T. S. Altaei, I. T. Numan, S. A.Hussain, and N. G. Al-Talabani, “The Efficacy of Topically Applied Silymarin in the Treatment of Herpes Labialis Ulcers”, Iraqi Journal of Pharmaceutical Sciences , vol. 16, no. 1, pp. 39–46, Mar. 2017, doi: 10.31351/vol16iss1pp39-46.