Singh P, Silverberg J I
Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL,, U.S.A.
Department of Dermatology, George Washington University School of Medicine & Health Sciences, George Washington University, Washington, D.C., U.S.A.
Br J Dermatol. 2020 Apr;182(4):1057-1059. doi: 10.1111/bjd.18629. Epub 2019 Dec 1.