de Wet Johann, Jordaan H Francois, Visser Willem I
Division of Dermatology, Department of Medicine, University of Stellenbosch and Tygerberg Academic Hospital, Cape Town, South Africa.
JAAD Case Rep. 2017 Mar 10;3(2):106-109. doi: 10.1016/j.jdcr.2017.01.010. eCollection 2017 Mar.