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Dittrich SM, Günther V, Franz G, Burtscher M, Holzner B, Kopp M.Dittrich SM, et al. Among authors: kopp m.Clin J Sport Med. 2008 Jul;18(4):363-5. doi: 10.1097/JSM.0b013e31817efac9.Clin J Sport Med. 2008.PMID: 18614890Clinical Trial.
Günther V, Mur E, Kopp M.Günther V, et al. Among authors: kopp m.Psychother Psychosom Med Psychol. 1994 May;44(5):169-71.Psychother Psychosom Med Psychol. 1994.PMID: 8029382German.
Schweigkofler H, Sperner-Unterweger B, Kopp M, Trojer-Zeidler M, Holzner B.Schweigkofler H, et al. Among authors: kopp m.Nervenarzt. 1996 Sep;67(9):799-804. doi: 10.1007/s001150050057.Nervenarzt. 1996.PMID: 8992380German.
Gutweniger S, Kopp M, Mur E, Günther V.Gutweniger S, et al. Among authors: kopp m.Clin Exp Rheumatol. 1999 Jul-Aug;17(4):413-7.Clin Exp Rheumatol. 1999.PMID: 10464550
Greil R, Holzner B, Kemmler G, Kopp M, Buchowski A, Oberaigner W, Fritsch E, Dirnhofer S, Rueffer U, Diehl V, Sperner-Unterweger B.Greil R, et al. Among authors: kopp m.Eur J Cancer. 1999 May;35(5):698-706. doi: 10.1016/s0959-8049(99)00025-8.Eur J Cancer. 1999.PMID: 10505027