Identification of ractopamine residues in tissue and urine samples at ultra-trace level using liquid chromatography–positive electrospray tandem mass spectrometry
2002 ◽
Vol 774
(1)
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pp. 59-66
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2007 ◽
Vol 30
(3)
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pp. 421-424
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2009 ◽
Vol 45
(1)
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pp. 11-24
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2007 ◽
Vol 30
(4)
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pp. 575-586
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2002 ◽
Vol 16
(7)
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pp. 639-645
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2006 ◽
Vol 29
(16)
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pp. 2413-2424
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2013 ◽
Vol 93
(9)
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pp. 999-1007
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2003 ◽
Vol 798
(1)
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pp. 159-162
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