Determination of penicillin residues in milk products by ultra performance liquid chromatography-tandem mass spectrometry
LIU Hong-he, LIU Gui-hua, LIAO Shi-cheng, KANG Li, MAO Li-sha, YIN Jiang-wei
S China J Prev Med . 2014, (6): 544 -549 .  DOI: 10.13217/j.scjpm.2014.0544