Violaceous lunula with pigmented longitudinal ridge by Rodolfo Valentini, BS, Aziz Khan, MD, Michael Murphy, MD, Brett Sloan, MD

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Treatment of recalcitrant disseminated ulcerative necrobiosis lipoidica with ustekinumab by Patrick McMullan, PhD, Aziz Khan, MD, Jonas A. Adalsteinsson, MD, PhD, Reid Waldman, MD, Campbell Stewart, MD, Brett Sloan, MD, Marti Rothe, MD

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