3Qiu F, He ZG, Li HZ. HPLC analyses and pharmacokinetie studies of baicalin and oxymtrine in rabbits[ J]. Pharmazie ,2003,58(9) :616
4Tsai TH, Chen YF. Simultaneous determination of cefazolin in rat blood and brain by microdiaiysis and microbore liquid chromatography[ J]. Biomed Chromatogr,2000,14 (4) :274