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Petrazzuoli M, Rothe MJ, Grin-Jorgensen C, Ramsey WH, Grant-Kels JM.Petrazzuoli M, et al.J Am Acad Dermatol. 1994 Dec;31(6):969-77. doi: 10.1016/s0190-9622(94)70266-7.J Am Acad Dermatol. 1994.PMID: 7962779Review.