Falodun, Oa2013-07-132013-07-132013https://dspace.univ-tlemcen.dz/handle/112/2485Psoriasis is a disease that is influenced by genetic and immune mediated components. The pathogenesis of this disease is poorly understood.The incidence of the disease also varies dramatically worldwide with the condition being less common in the tropics and in dark skinned persons.enArticle