Thi Thu Hoai, Nguyen, 		Thuy Duong, Nguyen, 		Thanh Tung, Bui, 		Thi Vui, Dao, AND 		Kim Thu, Dang.
" Comparing Acetylcholinesterase and Butyrylcholinesterase Inhibition Effect of Total Extract and Fractions with Alcaloid-Rich Extract of Huperzia Serrata (Thunb.) Trevis." <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], Volume 36 Number 1 (24 March 2020)