Gordhan A, Ramdial P K, Morar N, Moodley S D, Aboobaker J
Departments of Dermatology and Anatomical Pathology, Nelson R Mandela School of Medicine, University of Natal, Durban, South Africa.
Int J Dermatol. 2001 Nov;40(11):717-9. doi: 10.1046/j.1365-4362.2001.01300.x.