De Dipankar, Malhotra Pankaj, Saikia Uma Nahar
Department of Dermatology, Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Indian J Dermatol Venereol Leprol. 2014 Jan-Feb;80(1):93-5. doi: 10.4103/0378-6323.125505.