1. Delectis Florae Reipublicae Popularis Sinicae Agendae Academiae Sinicae Edita. Flora Republicae Popularis Sinicae. Science Press; Beijing;1980. Tomus 14, p. 16.
2. Jiangsu New Medical College. Dictionary of Traditional Chinese Crude Drugs. Shanghai Press of Science and Technology: Shanghai; 1977. p. 1841.
3. Li H, Chen XM, Kawabe N, Togami Y, Uenishi N. Extraction of anticancer steroidal saponins from Ypsilandra thibetica. CN Patent 95111233.3, 1995.
4. Zhou J, Chen CX, Ni W. Application of Ypsilandra herbs for preparing medicines for treating hemorrhagic diseases. CN Patent 03117694.1, 2003.
5. Five new steroidal compounds from Ypsilandra thibetica;Xie;Chem Biodivers,2006