Thi Xuan Mai, Nguyen, 		Le Ngan, Mai, 		Van Khanh, Nguyen, 		Thanh Binh, Nguyen, 		Hao, Bui, 		Quang Thao, Le, AND 		Thanh Tung, Bui.
" Development of a Quantitative Method for Hydroxychavicol in the Ethyl Acetate Fraction of Piper betle L. Ethanol Extract Using High-Performance Liquid Chromatography" <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], Volume 40 Number 4 (25 December 2024)