29-Apr-2007
... 26. Sowell AL, Huff DL, Yeager PR, Caudill SP, Gunter EW: Simultaneous determination of retinol, α-tocopherol, lutein/
zeaxanthin, β-cryptoxanthin, lycopene, trans-β-carotene, and four retinyl esters in...
http://www.biomedcentral.com/1471-2334/4/61