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2. Recognition and treatment of psoriasis;Bonifati,1998
3. A Placebo-controlled randomized study on the clinical effectiveness, immunohistochemical changes and protoporphyrin IX accumulation in fractionated 5-aminolaevulinic acid-photodynamic therapy in patients with psoriasis;Smits,2006
4. Combination therapy to treat moderate to severe psoriasis;Lebwohl,2004
5. Immunotherapy for psoriasis;Griffiths,2002