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Rammelsberg P, Gabbert O, Schmitter M, Koob A, Pritsch M, Faggion CM Jr.Rammelsberg P, et al. Among authors: koob a.J Oral Maxillofac Surg. 2011 Oct;69(10):2557-63. doi: 10.1016/j.joms.2011.02.103. Epub 2011 Jun 23.J Oral Maxillofac Surg. 2011.PMID: 21703747
Gabbert O, Koob A, Schmitter M, Rammelsberg P.Gabbert O, et al. Among authors: koob a.J Clin Periodontol. 2009 Feb;36(2):177-83. doi: 10.1111/j.1600-051X.2008.01357.x.J Clin Periodontol. 2009.PMID: 19207894Clinical Trial.
Schmitter M, Kress B, Ludwig C, Koob A, Gabbert O, Rammelsberg P.Schmitter M, et al. Among authors: koob a.Radiology. 2005 Aug;236(2):559-64. doi: 10.1148/radiol.2361040223.Radiology. 2005.PMID: 16040913
Koob A, Ohlmann B, Gabbert O, Klingmann C, Rammelsberg P, Schmitter M.Koob A, et al.Clin J Sport Med. 2005 Sep;15(5):359-63. doi: 10.1097/01.jsm.0000181435.03151.ab.Clin J Sport Med. 2005.PMID: 16162996