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Basset-Séguin N, Porneuf M, Dereure O, Mils V, Tesnières A, Yancey KB, Guilhou JJ.Basset-Séguin N, et al.J Invest Dermatol. 1993 Dec;101(6):827-31. doi: 10.1111/1523-1747.ep12371702.J Invest Dermatol. 1993.PMID: 8245511Free article.