Thi Ngan, Dang, 		Thi Thanh Van, Bui, 		Thi Ngoc Ha, Tran, 		My Hoa, Nong, 		Thi Phuong Thao, Cao, 		Thi Hong Nhung, Nguyen, 		Thi Ly Huong, Duong, 		Thi Hoang Anh, Nguyen, 		Huu Tung, Nguyen, AND 		Dinh Hoang, Vu.
" Saponin Composition Analysis of the Aerial Part of Panax Bipinnatifidus Seem. Collected in Sa Pa, Lao Cai" <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], Volume 35 Number 1 (21 June 2019)