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Alt-Epping B, Jung W, Simmenroth-Nayda A, Russo SG, Vormfelde SV, Nauck F.Alt-Epping B, et al. Among authors: nauck f.GMS Z Med Ausbild. 2010;27(5):Doc67. doi: 10.3205/zma000704. Epub 2010 Nov 15.GMS Z Med Ausbild. 2010.PMID: 21818212Free PMC article.