Mandal Rajesh Kumar, Ghosh Sudip Kumar, Dutta Abhijit
Department of Dermatology, Venereology and Leprosy, R.G. Kar Medical College, Kolkata, West Bengal, India.
Indian J Dermatol Venereol Leprol. 2015 Sep-Oct;81(5):543-4. doi: 10.4103/0378-6323.163806.