Chinese Journal of Chromatography
Simultaneous determination of penicillin G and its major metabolites in blood using ultra performance liquid chromatography-tandem mass spectrometry
CHEN Cong1,2,3, YAN Hui1, SHEN Baohua1, ZHUO Xianyi1*
Chinese Journal of Chromatography . 2012, (05): 445 -451 .  DOI: 10.3724/SP.J.1123.2011.11036