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Pestana A, Olsen EA, Delong ER, Murray JC.Pestana A, et al. Among authors: delong er.J Am Acad Dermatol. 1987 May;16(5 Pt 1):971-6. doi: 10.1016/s0190-9622(87)70123-6.J Am Acad Dermatol. 1987.PMID: 3294945Clinical Trial.