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Selvaag E, Caspersen L, Bech-Thomsen N, de Fine Olivarius F, Wulf HC.Selvaag E, et al. Among authors: wulf hc.J Eur Acad Dermatol Venereol. 2000 Jan;14(1):19-21. doi: 10.1046/j.1468-3083.2000.00012.x.J Eur Acad Dermatol Venereol. 2000.PMID: 10877248Clinical Trial.