Shenefelt P D, Rinker M, Caradonna S
Division of Dermatology and Cutaneous Surgery, Department of Internal Medicine, University of South Florida, 12901 Bruce B. Downs Blvd, MDC 79, Tampa, FL 33612, USA.
Arch Dermatol. 2000 Jul;136(7):837-9. doi: 10.1001/archderm.136.7.837.