Khan, Abad <br/><br/>
Determination of lipoic acid in human plasma by HPLC-ECD using liquid-liquid and solid-phase extraction :  method development, validation and optimization of experimental parameters / 
Abad Khan ...[et al.] 
<br/><br/> YA2011 M03 
<br/><br/><label>Source: </label>Journal of Chromatography B 878 (28) 2010 : 2782-2788 1570-0232