Preventive effects of saponins from Puerariae Radix (the root of Pueraira lobata Ohwi) on in vitro immunological injury of rat primary hepatocyte culture. - Arao ,T,.; Udayama ,M,.; Kinjo ,J,.; Nohara ,T,.; Funakoshi ,T,.; Kojima ,S.. (Biol. Pharm Bull., 1997)