DonaldS. Young, MD, PhD
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To the editor: In Appendix Table 2 of my article on SI units, the suggested minimum increment of 25-hydroxycholecalciferol (25 OH-cholecalciferol) should be 5 nmol/L, not 5 mmol/L.
Young D. Correction: Increment for Concentration of 25-Hydroxycholecalciferol. Ann Intern Med. 1989;110:328. doi: 10.7326/0003-4819-110-4-328_2
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Published: Ann Intern Med. 1989;110(4):328.
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