“This study demonstrates that some …, i.e., flavonols quercetin and kaempferol) and isoflavones (genistein and daidzein) markedly increase the sensitivity of …-resistant human cervical carcinoma KB-V1 cells (high Pgp expression) to vinblastine and paclitaxel dose-dependently, and also decrease the … of these anticancer- drugs in KB-V1 cells.”