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Haedersdal M, Togsverd-Bo K, Wiegell SR, Wulf HC.Haedersdal M, et al.J Am Acad Dermatol. 2008 Mar;58(3):387-94. doi: 10.1016/j.jaad.2007.11.027.J Am Acad Dermatol. 2008.PMID: 18280335Clinical Trial.