Ghoshal Loknath, Nandi Saumen, Sarkar Aritra, Das Sudip
Department of Dermatology, Venereology and Leprosy, Nil Ratan Sircar Medical College, Kolkata, West Bengal, India.
Department of Chest Medicine, Nil Ratan Sircar Medical College, Kolkata, West Bengal, India.
Indian Dermatol Online J. 2015 Nov-Dec;6(6):446-8. doi: 10.4103/2229-5178.169711.