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Flytström I, Stenberg B, Svensson A, Bergbrant IM.Flytström I, et al. Among authors: svensson a.Br J Dermatol. 2008 Jan;158(1):116-21. doi: 10.1111/j.1365-2133.2007.08284.x. Epub 2007 Nov 6.Br J Dermatol. 2008.PMID: 17986302Clinical Trial.