Agarwal Saurabh, Kumar Binay, Sharma Naveen
Department of Dermatology and Venereology, Uttarakhand Forest Hospital Trust Medical College, Haldwani (Nainital) Uttarakhand - 263 169, India.
Indian J Dermatol Venereol Leprol. 2009 Nov-Dec;75(6):639. doi: 10.4103/0378-6323.57746.