C.-S. Seo and H.-K. Shin, “SIMULTANEOUS ANALYSIS OF THE BIOACTIVE COMPONENTS OF AN EXTRACT OF YEONGGYECHULGAM-TANG, A TRADITIONAL HERBAL PRESCRIPTION, USING HPLC–DAD”, Afr J Tradit Complement Altern Med, vol. 15, no. 2, pp. 88–95, Feb. 2018.