Determination of trace level γ-aminobutyric acid using an improved OPA pre-column derivatization and on-column preconcentration capillary liquid chromatography with electrochemical detection
1993 ◽
Vol 619
(1)
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pp. 111-115
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1996 ◽
Vol 677
(2)
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pp. 225-231
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2000 ◽
Vol 14
(1)
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pp. 49-52
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2009 ◽
Vol 1216
(43)
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pp. 7179-7185
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2010 ◽
Vol 1217
(50)
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pp. 7926-7930
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2009 ◽
Vol 1216
(22)
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pp. 4648-4654
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1999 ◽
Vol 847
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pp. 59-68
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1982 ◽
Vol 238
(2)
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pp. 509-514
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1997 ◽
Vol 704
(1-2)
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pp. 43-52
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