Glycyrrhizic acid (GA), a triterpenoid saponin glycoside alleviates ultraviolet-B irradiation-induced photoaging in human dermal fibroblasts - Afnan, Q; Adil, M D; Nissar-Ul, A; Rafiq, A R; Amir, H F; Kaiser, P; Gupta, V K; Vishwakarma, R; Tasduq, S A (Phytomedicine, 2012)