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Juche A, Euler U, Brüggenjürgen B, Willich SN, Kunz R.Juche A, et al. Among authors: bruggenjurgen b.Qual Saf Health Care. 2002 Sep;11(3):297. doi: 10.1136/qhc.11.3.297.Qual Saf Health Care. 2002.PMID: 12486999Free PMC article.No abstract available.