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- About psoriasis. (n.d.)
https://www.psoriasis.org/about-psoriasis - Coimbra, S., Oliveira, H., Belo, L., Figueiredo,A., Rocha-Pereira, P., & Santos-Silva, A. (2013, February). Principaldeterminants of the length of remission of psoriasis vulgaris after topical,NB-UVB, and PUVA therapy: A follow-up study. American Journal of Clinical Dermatology, 14(1), 49-53
http://www.ncbi.nlm.nih.gov/pubmed/23329079 - Mayo Clinic Staff. Psoriasis: Causes. (2015,June 17)
http://www.mayoclinic.org/diseases-conditions/psoriasis/basics/causes/con-20030838 - Mayo Clinic Staff. Psoriasis: Symptoms. (2015,June 17)
http://www.mayoclinic.org/diseases-conditions/psoriasis/basics/symptoms/con-20030838