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Wollina U, Koch A, Abdel-Naser MB, Schönlebe J.Wollina U, et al. Among authors: koch a.Int Wound J. 2005 Mar;2(1):74-6. doi: 10.1111/j.1742-4801.2005.00076.x.Int Wound J. 2005.PMID: 16722855Free PMC article.
Wollina U, Hansel G, Koch A, Abdel-Naser MB.Wollina U, et al. Among authors: koch a.Expert Opin Pharmacother. 2006 Oct;7(14):1967-75. doi: 10.1517/14656566.7.14.1967.Expert Opin Pharmacother. 2006.PMID: 17020422Review.
Wollina U, Koch A, Schönlebe J, Witzigmann H, Kittner T.Wollina U, et al. Among authors: koch a.Int J Low Extrem Wounds. 2009 Sep;8(3):165-8. doi: 10.1177/1534734609344877.Int J Low Extrem Wounds. 2009.PMID: 19703954
Wollina U, Koch A, Hansel G.Wollina U, et al. Among authors: koch a.J Dermatol Case Rep. 2008 Mar 29;2(1):4-7. doi: 10.3315/jdcr.2008.1007.J Dermatol Case Rep. 2008.PMID: 21886702Free PMC article.
Wollina U, Koch A, Scheibe A, Seme B, Streit I, Schmidt WD.Wollina U, et al. Among authors: koch a.Skin Res Technol. 2012 May;18(2):212-8. doi: 10.1111/j.1600-0846.2011.00556.x. Epub 2011 Sep 4.Skin Res Technol. 2012.PMID: 22092772Clinical Trial.
Wollina U, Gemmeke A, Koch A.Wollina U, et al. Among authors: koch a.J Clin Aesthet Dermatol. 2012 Apr;5(4):36-9.J Clin Aesthet Dermatol. 2012.PMID: 22708007Free PMC article.
Wollina U, Koch A, Heinig B, Kittner T, Nowak A.Wollina U, et al. Among authors: koch a.Indian Dermatol Online J. 2013 Jan;4(1):2-11. doi: 10.4103/2229-5178.105454.Indian Dermatol Online J. 2013.PMID: 23439959Free PMC article.