Chen, Huiping <br/><br/>
Measurement of 25-hydroxyvitamin D3 (25OHD3) and 25-hydroxyvitamin D2 (25OHD2) in human serum using liquid chromatography-tandem mass spectrometry and its comparison to a radioimmunoassay method.  [electronic resource] 

 -  Clinica chimica acta; international journal of clinical chemistry  May 2008 
 - 6-12 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0009-8981 
<br/><br/><label>Standard No.: </label>10.1016/j.cca.2008.01.017  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>25-Hydroxyvitamin D 2--blood<br/>Calcifediol--blood<br/>Chromatography, Liquid--methods<br/>Humans<br/>Radioimmunoassay--methods<br/>Tandem Mass Spectrometry--methods