DUBEY, I.; JATAV, R. K.; PATEL, S. S.; JATAV, R. K.; SHEOREY, R. V. Formulation and Evaluation of Salicylic Acid and Urea Gel for Treatment of Psoriasis. Current Research in Pharmaceutical Sciences, v. 2, n. 3, p. 166-170, 5 Oct. 2012.