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Odom R, Dahl M, Dover J, Draelos Z, Drake L, Macsai M, Powell F, Thiboutot D, Webster GF, Wilkin J; National Rosacea Society Expert Committee on the Classification and Staging of Rosacea.Odom R, et al.Cutis. 2009 Aug;84(2):97-104.Cutis. 2009.PMID: 19746768