Bhattacharya Sambit N, Sehgal Virendra N
Department of Dermatology, STD and Leprosy, University College of Medical Sciences and Associated GTB Hospital Shahdara 110 095 and Dermatovenereology (Skin/VD) Center, Sehgal Nursing Home, A/6 Panchwati Opp. Azadpur Sabzi Mandi, Delhi 110 033, India.
Int J Dermatol. 2002 Jun;41(6):321-6. doi: 10.1046/j.1365-4362.2002.01506.x.