Vestergaard, M E Seborrhoeic keratoses appearing in sites of previous psoriasis plaques during treatment with efalizumab. [electronic resource] - Clinical and experimental dermatology Dec 2009 - e564-6 p. digital Publication Type: Case Reports; Journal Article ISSN: 1365-2230 Standard No.: 10.1111/j.1365-2230.2009.03236.x doi Subjects--Topical Terms: Anti-Inflammatory Agents--adverse effectsAntibodies, Monoclonal--adverse effectsAntibodies, Monoclonal, HumanizedHumansKeratosis, Seborrheic--chemically inducedLeg Dermatoses--chemically inducedMaleMiddle AgedPsoriasis--drug therapyTreatment Outcome