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Kircik L, Bagel J, Korman N, Menter A, Elmets CA, Koo J, Yang YC, Chiou CF, Dann F, Stevens SR; Unite Study Group.Kircik L, et al.J Drugs Dermatol. 2008 Mar;7(3):245-53.J Drugs Dermatol. 2008.PMID: 18380206Clinical Trial.