RT Journal Article SR Electronic T1 Medical dermatology JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 198 OP 200 DO 10.7861/clinmedicine.8-2-198 VO 8 IS 2 A1 Richard B Warren YR 2008 UL http://www.rcpjournals.org/content/8/2/198.abstract AB