title: Multicentric squamous cell carcinoma arising on psoriatic plaque.
authors.affiliation: Department of Dermatology and Venereology, Vivekananda Institute of Medical Sciences, Ramakrishna Mission Seva Pratisthan, 99, Sarat Bose Road, Kolkata 700 026, West Bengal, India. E-mail: jayanta0512@yahoo.co.uk.
authors.forename: Megha
authors.initials: M
authors.lastname: Gupta
authors.forename: Jayanta K
authors.initials: JK
authors.lastname: Das
authors.forename: Asok
authors.initials: A
authors.lastname: Gangopadhyay