Mehmood, Y., H. Umar, H. Yousaf, and H. Riaz. “Assessment of Efficacy of Multi Herbal Extracts Product (FluAct® Syrup) Against Flu Indications in Pakistani Population”. Journal of Pharmaceutical Research International, Vol. 31, no. 6, Nov. 2019, pp. 1-6, doi:10.9734/jpri/2019/v31i630320.