Citation:Krawtchenko N, Roewert-Huber J, Ulrich M, Mann I, Sterry W, Stockfleth E 2007
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Krawtchenko N, Roewert-Huber J, Ulrich M, Mann I, Sterry W, Stockfleth E. A randomised study of topical 5% imiquimod vs. topical 5-fluorouracil vs. cryosurgery in immunocompetent patients with actinic keratoses: a comparison of clinical and histological outcomes including 1-year follow-up. Br J Dermatol 2007 Dec;157 Suppl 2:34-40 Available from: http://www.ncbi.nlm.nih.gov/pubmed/18067630.
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