8Heller DN ,Kaplan DA ,Runmmel NG ,et al. Identification of cephapirin metabolites and degradants in bovine milk by elesctrospray ionization-ion trap tandem mass spectrometry. J Agric Food Chem, 2000,48 ( 12 ) :6030.
10Scanes T, Hundt AF, Swart K J, et al. Simultaneous determination of cefotaxime and desacdotaxime in human plasma and cerebroepinal fluid by high - performance liquid chromatography. J Chromatogr B,2001,750( 1 ) :171.