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Calzavara-Pinton P, Franceschini F, Rastrelli M, Manera C, Zane C, Cattaneo R, De Panfilis G.Calzavara-Pinton P, et al.J Am Acad Dermatol. 1994 Jun;30(6):955-8. doi: 10.1016/s0190-9622(94)70116-4.J Am Acad Dermatol. 1994.PMID: 8188886