title: Group B oleanane triterpenoid extract containing soyasaponins I and III from soy flour induces apoptosis in Hep-G2 cells.
authors.affiliation: Department of Chemistry, National University of Singapore, Singapore.
authors.forename: Wei
authors.initials: W
authors.lastname: Zhang
authors.forename: David G
authors.initials: DG
authors.lastname: Popovich