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One-hundred and eight patients with psoriasis completed a questionnaire concerning their knowledge about the condition. This was carried out at two departments of dermatology, at Bridgend General Hospital and Leeds General Infirmary. There were no significant differences between the two centres, and the main source of the patients' information about psoriasis was from a dermatologist, but several other sources such as newsletter were of help.
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Lanigan et al. (1991) studied this question.
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