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Kopp I, Lorenz W, Rothmund M, Koller M.Kopp I, et al.J R Soc Med. 2003 Sep;96(9):442-8. doi: 10.1177/014107680309600907.J R Soc Med. 2003.PMID: 12949200Free PMC article.
Kopp I, Koller M, Rothmund M, Lorenz W; Mitglieder des Qualitätszirkels.Kopp I, et al.Zentralbl Chir. 2000;125(12):940-6. doi: 10.1055/s-2000-10069.Zentralbl Chir. 2000.PMID: 11190610German.
Kopp I, Koller M, Stinner B, Hainbach S, Rothmund M, Lorenz W.Kopp I, et al.Chirurg. 2001 Dec;72(12):1467-77. doi: 10.1007/s001040170013.Chirurg. 2001.PMID: 11824034German.
Kopp I, Bauhofer A, Koller M.Kopp I, et al.Inflamm Res. 2004 Aug;53 Suppl 2:S130-5. doi: 10.1007/s00011-004-0361-6. Epub 2004 Aug 10.Inflamm Res. 2004.PMID: 15338064
Middeke M, Bauhofer A, Kopp I, Koller M.Middeke M, et al. Among authors: kopp i.Inflamm Res. 2004 Aug;53 Suppl 2:S175-8. doi: 10.1007/s00011-004-0360-7. Epub 2004 Aug 10.Inflamm Res. 2004.PMID: 15338072
Albert US, Koller M, Kopp I, Lorenz W, Schulz KD, Wagner U.Albert US, et al. Among authors: kopp i.Breast Cancer Res Treat. 2006 Dec;100(3):285-92. doi: 10.1007/s10549-006-9247-3. Epub 2006 May 20.Breast Cancer Res Treat. 2006.PMID: 16710790
Albert US, Koller M, Lorenz W, Kopp I, Heitmann C, Stinner B, Rothmund M, Schulz KD; Quality Circle.Albert US, et al. Among authors: kopp i.Breast. 2002 Aug;11(4):324-34. doi: 10.1054/brst.2002.0419.Breast. 2002.PMID: 14965689
Albert US, Koller M, Lorenz W, Doherty J, Schulz KD, Wagner U, Kopp I.Albert US, et al. Among authors: kopp i.Z Arztl Fortbild Qualitatssich. 2004 Aug;98(5):347-59.Z Arztl Fortbild Qualitatssich. 2004.PMID: 15487382German.