Vortex-assisted liquid–liquid extraction combined with field-amplified sample injection and sweeping micellar electrokinetic chromatography for improved determination of β-blockers in human urine
1990 ◽
Vol 515
◽
pp. 245-255
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1999 ◽
Vol 20
(14)
◽
pp. 2922-2929
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2008 ◽
Vol 32
(3)
◽
pp. 418-431
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2003 ◽
Vol 26
(8)
◽
pp. 734-738
◽
2006 ◽
Vol 842
(2)
◽
pp. 122-130
◽
2015 ◽
Vol 38
(11)
◽
pp. 1990-1997
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