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Shapiro LE, Knowles SR, Shear NH.Shapiro LE, et al. Among authors: knowles sr.J Am Acad Dermatol. 1998 Jan;38(1):132-3. doi: 10.1016/s0190-9622(98)70564-x.J Am Acad Dermatol. 1998.PMID: 9448227No abstract available.