Lipoff Jules B, Cobos Gabriela, Kaddu Steven, Kovarik Carrie L
Department of Dermatology, University of Pennsylvania, Philadelphia, Pennsylvania.
Department of Internal Medicine, Pennsylvania Hospital, Philadelphia, Pennsylvania.
J Am Acad Dermatol. 2015 Jun;72(6):1084-5. doi: 10.1016/j.jaad.2015.02.1119.