Determination of vitamin B12 in multivitamin-multimineral tablets by high-performance liquid chromatography after solid-phase extraction
1991 ◽
Vol 541
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pp. 383-392
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2013 ◽
Vol 40
(7)
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pp. 1065-1070
2012 ◽
Vol 40
(2)
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pp. 298
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2008 ◽
Vol 864
(1-2)
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pp. 38-42
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1989 ◽
Vol 7
(4)
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pp. 483-497
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1990 ◽
Vol 529
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pp. 21-32
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2014 ◽
Vol 53
(2)
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pp. 210-218
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1992 ◽
Vol 575
(1)
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pp. 101-107
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