Loi, Vu, 		Trang, Nguyen, 		Hoai, Truong, 		Huong, Nguyen, AND 		Nam, Nguyen.
" Two Alkaloid Compounds Isolated from Tinospora sinensis (Lour.) Merr) Growing in Vinh Phuc Province, Vietnam" <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], Volume 33 Number 2 (6 December 2017)