A combined A431 cell membrane chromatography and online high performance liquid chromatography/mass spectrometry method for screening compounds from total alkaloid of Radix Caulophylli acting on the human EGFR. - Sun,M.; Ren,J.; Du,H.; Zhang,Y.M.; Zhang,J.; Wang,S.C.; He,L.C. (J Chromatogr B, 2010)