[Simultaneous determination of the residues of four β2-agonists in animal foods by modified high performance liquid chromatography-tandem mass spectrometry]
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An analytical method was developed to simultaneously determine the residues of four β2-agonists in animal foods by high performance liquid chromatography/electrospray-tandem mass spectrometry (HPLC-MS/MS). Samples were extracted with 5% (mass fraction) trichl... ...
