Williamson, D M Treatment of chronic psoriasis by Psoradrate (0.1% dithranol in a 17% urea base) applied under occlusion. [electronic resource] - Clinical and experimental dermatology May 1983 - 287-90 p. digital Publication Type: Journal Article ISSN: 0307-6938 Standard No.: 10.1111/j.1365-2230.1983.tb01781.x doi Subjects--Topical Terms: AdolescentAdultAgedAnthracenes--administration & dosageAnthralin--administration & dosageFemaleHumansMaleMiddle AgedOcclusive DressingsPsoriasis--drug therapy