Thu, Dang Kim, Nguyen Van Khanh, Nguyen Thi Thanh Binh, Vu Hai Yen, Nguyen Thanh Huyen, & Tran Tuan Hiep. " Optimization of a Novel Antioxidant Formulation Containing Phytosome of Standardized Flos Styphnolobii japonici immaturus Extract and Standardized Extracts of Rhizoma Zingiberis, Herba Centellae asiaticae, Polyscias fruticosa Using the D-Optimal Mixture D." VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], (0): n. pag. Web. 8 Feb. 2026