Affiliation: | (1) Unit of Dermatology, Royal Postgraduate Medical School, London, UK, GB;(2) Department of Biochemistry, Charing Cross and Westminster Medical School, London, UK, GB;(3) Institute of Cancer Research, Haddow Laboratories, The Royal Marsden Hospital, London, UK, GB;(4) Dermatology Department, The Middlesex Hospital, Mortimer Street, London W1N 8AA, UK Tel. 0171 380 9224; Fax 0181 208 1618, GB |