Agarwala M K, George R, Pramanik R, McGrath J A
Department of Dermatology, Christian Medical College, Vellore, Tamil Nadu, India.
St John's Institute of Dermatology, King's College London, London, U.K.
Br J Dermatol. 2016 Jan;174(1):209-11. doi: 10.1111/bjd.13910. Epub 2015 Nov 8.