Yates, Alexandra Marie <br/><br/>
Interlaboratory variation in 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 is significantly improved if common calibration material is used.  [electronic resource] 

 -  Clinical chemistry  Dec 2008 
 - 2082-4 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>1530-8561 
<br/><br/><label>Standard No.: </label>10.1373/clinchem.2008.110452  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>25-Hydroxyvitamin D 2--blood<br/>Calcifediol--blood<br/>Calibration<br/>Chromatography, Liquid<br/>Humans<br/>Quality Control<br/>Reference Standards<br/>Tandem Mass Spectrometry