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Zittermann A, Gummert JF.Zittermann A, et al.J Photochem Photobiol B. 2010 Nov 3;101(2):124-9. doi: 10.1016/j.jphotobiol.2010.01.006. Epub 2010 Jan 22.J Photochem Photobiol B. 2010.PMID: 20138781
Zittermann A, Fischer J, Schleithoff SS, Tenderich G, Fuchs U, Koerfer R.Zittermann A, et al.Int J Vitam Nutr Res. 2007 Jul;77(4):280-8. doi: 10.1024/0300-9831.77.4.280.Int J Vitam Nutr Res. 2007.PMID: 18271283