A robust method for simultaneous measurement of serum 25(OH)D, 1,25(OH)
2
D, and 24,25(OH)
2
D by liquid chromatography‐tandem mass spectrometry with efficient separation of 3‐epi analogs, 23R,25(OH)
2
D
3
, and 4β,25(OH)
2
D
3
2017 ◽
Vol 409
(25)
◽
pp. 5943-5954
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2008 ◽
Vol 41
(14-15)
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pp. 1268
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2010 ◽
Vol 878
(15-16)
◽
pp. 1195-1198
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2019 ◽
Vol 187
◽
pp. 146-151
◽
2011 ◽
Vol 412
(17-18)
◽
pp. 1594-1599
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2014 ◽
Vol 96
◽
pp. 256-262
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