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Kalies H, Verstraeten T, Grote V, Meyer N, Siedler A, Schmitt HJ, Breuer T, Moulton LH, von Kries R; Erhebungseinheit für seltene pädiatrische Erkrankungen in Deutschland Study Group.Kalies H, et al.Pediatr Infect Dis J. 2004 Oct;23(10):944-50. doi: 10.1097/01.inf.0000141743.74443.73.Pediatr Infect Dis J. 2004.PMID: 15602195
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Kalies H, Redel R, Varga R, Tauscher M, von Kries R.Kalies H, et al.BMC Public Health. 2008 Mar 1;8:82. doi: 10.1186/1471-2458-8-82.BMC Public Health. 2008.PMID: 18312683Free PMC article.