Meyer, E <br/><br/>
Simultaneous determination of endogenous retinoic acid isomers and retinol in human plasma by isocratic normal-phase HPLC with ultraviolet detection.  [electronic resource] 

 -  Clinical chemistry  Jan 1994 
 - 48-57 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0009-9147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Calibration<br/>Chromatography, High Pressure Liquid--methods<br/>Humans<br/>Male<br/>Quality Control<br/>Reference Values<br/>Sensitivity and Specificity<br/>Tretinoin--blood<br/>Vitamin A--blood