George M D, Shah R, Kreider M, Miller W T, Merkel P A, Werth V P
Division of Rheumatology, University of Pennsylvania, Philadelphia, PA, U.S.A.
Division of Pulmonary & Critical Care Medicine, University of Pennsylvania, Philadelphia, PA, U.S.A.
Br J Dermatol. 2017 Jan;176(1):262-264. doi: 10.1111/bjd.14771. Epub 2016 Dec 7.