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van den Bussche H, Kaduszkiewicz H, Niemann D, Schäfer I, Koller D, Hansen H, Scherer M, Wegscheider K, Glaeske G, Schön G.van den Bussche H, et al. Among authors: koller d.Z Evid Fortbild Qual Gesundhwes. 2013;107(7):435-41. doi: 10.1016/j.zefq.2012.12.025. Epub 2013 Mar 5.Z Evid Fortbild Qual Gesundhwes. 2013.PMID: 24238020German.
van den Bussche H, Koller D, Kolonko T, Hansen H, Wegscheider K, Glaeske G, von Leitner EC, Schäfer I, Schön G.van den Bussche H, et al. Among authors: koller d.BMC Public Health. 2011 Feb 14;11:101. doi: 10.1186/1471-2458-11-101.BMC Public Health. 2011.PMID: 21320345Free PMC article.