Berg, M Treatment of psoriasis with psoralens and ultraviolet A. A double-blind comparison of 8-methoxypsoralen and 5-methoxypsoralen. [electronic resource] - Photodermatology, photoimmunology & photomedicine Oct 1994 - 217-20 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0905-4383 Subjects--Topical Terms: 5-MethoxypsoralenAbsorptionAdultAgedChemical and Drug Induced Liver Injury--etiologyDouble-Blind MethodFemaleFoodHumansMaleMethoxsalen--administration & dosageMiddle AgedNausea--chemically inducedPUVA TherapyPsoriasis--drug therapyTime Factors