Quantitative determination of peiminine in Bulbus Fritillaria available on market by HPLC Quantitative analysis of several alkaloids in Fritillaria L. by capillary electrophoresis Simultaneous determination of six components in Baikening Granules by UPLC-MS/MS Simultaneous determination of peimine, peiminine and zhebeinine in Fritillaria thunbergii from different habitat by HPLC-ELSD Effect of peiminine on enhancing anti-tumor activity of adriamycin on multi-drug resistance of gastric cancer xenografts in nude mice and its mechanism Screening for five alkaloids as reversal agents against gastric cancer multiple drug resistance and study on their mechanism Screening for five alkaloids as reversal agents against gastric cancer multiple drug resistance and study on their mechanism Simultaneous Determination on Three Alkaloids in Bulbs of Fritillaria unibracteata var. wabensis by HPLC-ELSD Determination of peimine and peiminine in Fritillria monantha bulb by HPLC-ELSD