Helm Thomas N, Chung Catherine G, Helm Klaus F
Department of Dermatology, Buffalo Medical Group, Buffalo, New York.
Department of Dermatology, Wexner Medical Center, The Ohio State University, Columbus, Ohio; Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, Ohio.
J Am Acad Dermatol. 2019 Jun;80(6):e169. doi: 10.1016/j.jaad.2018.12.063. Epub 2019 Jan 15.