Duewer, D L <br/><br/>
NIST micronutrients measurement quality assurance program: characterizing individual participant measurement performance over time.  [electronic resource] 

 -  Analytical chemistry  Aug 2000 
 - 3611-9 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0003-2700 
<br/><br/><label>Standard No.: </label>10.1021/ac991481b  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>National Health Programs<br/>Quality Control<br/>Reproducibility of Results<br/>Tretinoin--blood<br/>United States<br/>Vitamin E--blood<br/>beta Carotene--blood