Y Shao

Antioxidative phenolic glycosides from sage (Salvia officinalis).

J Li, E. LaVoie, C. Ho, 1999, Journal of natural products.

Steroidal saponins from Asparagus officinalis and their cytotoxic activity.

G. Cordell, E. Kennelly, Chi-Tang Ho, 1997, Planta medica.