Zaghi، D؛ Maibach (2007). "Survey of Safety and efficacy information in drug inserts for topical prescription medications". American Journal of Clinical Dermatology. ج. 8 ع. 1: 43–46. DOI:10.2165/00128071-200708010-00006.
umms.org
"Psoriasis-Treatment". Medical Reference. University of Maryland Medical System. 2009. مؤرشف من الأصل في 2013-05-20.
web.archive.org
"Psoriasis-Treatment". Medical Reference. University of Maryland Medical System. 2009. مؤرشف من الأصل في 2013-05-20.