Complement-Modulating Properties of a Kaempferol 7-O-Rhamnosylsophoroside from the Leaves of Morinda morindoides - Cimanga, Kanyanga; de Bruyne, Tess; Poel, Bart Van; Ma, Yuliang; Claeys, Magda; Pieters, Luc; Kambu, Kabangu; Tona, Lutete; Bakana, Phongi; Berghe, Dirk Vanden; Vlietinck, Arnold J (Planta Medica, 1997)