Richardson Stephen K, McGinnis Karen S, Shapiro Michael, Lehrer Michael S, Kim Ellen J, Vittorio Carmela C, Junkins Hopkins Jacqueline M, Rook Alain H
Department of Dermatology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
J Cutan Med Surg. 2003 Jul-Aug;7(4 Suppl):8-12. doi: 10.1007/s10227-003-5002-0.