Inhibitory effect of luteolin 4′-O-glucoside from Kummerowia striata and other flavonoids on interleukin-5 bioactivity - Park,K.Y.; Lee,S.H.; Min,B.K.; Lee,K.S.; Choi,J.S.; Chung,S.R.; Min,K.R.; Kim,Y. (Planta Medica, 1999)