Wijesinghe, W.A.M.S.; Jayakody, J.A.D.P.P.; Senevirathne, K.N.
(Faculty of Science, University of Kelaniya, Sri Lanka, 2016)
Psoriasis is a skin disease that causes itchy or sore patches of thick, red skin with
silvery scales. Usually, the patches appear on elbows, knees, scalp, back, face, palms
and feet, but can show up on other parts of ...