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A retrospective analysis is presented summarizing 9 years' experience using a combined regime of Ingram therapy followed by methotrexate maintenance in the management of especially difficult psoriatic patients. The lesion-free period was extended from about 1 month (controls) to 1 year, and the period before re-admission was extended from 5 months to more than 3 years.
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Kerkhof et al. (1982) studied this question.
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