Verma Bidweshwar, Behra Akhilesh, Ajmal Abdul K M, Sen Sumit
Department of Dermatology, Venereology and Leprology, Institute of Postgraduate Medical Education and Research, Kolkata, West Bengal, India.
Indian Dermatol Online J. 2017 Mar-Apr;8(2):148-150. doi: 10.4103/2229-5178.202282.