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Harwood CA, Proby CM, McGregor JM, Sheaff MT, Leigh IM, Cerio R.Harwood CA, et al. Among authors: mcgregor jm.J Am Acad Dermatol. 2006 Feb;54(2):290-300. doi: 10.1016/j.jaad.2005.10.049.J Am Acad Dermatol. 2006.PMID: 16443060