*Hammond BR Jr, Wooten BR. Validity issues with the in vivo measurement of skin carotenoids using Raman spectroscopy.J Invest Dermatol. 2004 Feb;122(2):544-6 | *Hammond BR Jr, Wooten BR. Validity issues with the in vivo measurement of skin carotenoids using Raman spectroscopy.J Invest Dermatol. 2004 Feb;122(2):544-6 |