Selective extraction and determination of vitamin B12 in urine by ionic liquid-based aqueous two-phase system prior to high-performance liquid chromatography
2017 ◽
Vol 1481
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pp. 12-22
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2005 ◽
Vol 826
(1-2)
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pp. 58-62
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2016 ◽
Vol 133
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pp. 105-113
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2016 ◽
Vol 13
(10)
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pp. 1759-1765
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2010 ◽
Vol 399
(3)
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pp. 1295-1304
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