Das Anupam, Kumar Piyush, Gharami Ramesh C
Department of Dermatology, Medical College and Hospital, Kolkata, India.
Department of Dermatology, Katihar Medical College, Bihar, India. E-mail:
Indian J Dermatol. 2016 Jan-Feb;61(1):96-9. doi: 10.4103/0019-5154.174047.