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Hasler-Nguyen N, Shelton D, Ponard G, Bader M, Schaffrik M, Mallefet P.Hasler-Nguyen N, et al. Among authors: mallefet p.BMC Dermatol. 2009 Apr 2;9:3. doi: 10.1186/1471-5945-9-3.BMC Dermatol. 2009.PMID: 19341466Free PMC article.