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Lacroix L, Galetto-Lacour A, Altwegg M, Egli K, Schmidt M, Gervaix A.Lacroix L, et al. Among authors: altwegg m.Eur J Pediatr. 2010 Mar;169(3):319-25. doi: 10.1007/s00431-009-1032-y. Epub 2009 Aug 4.Eur J Pediatr. 2010.PMID: 19649782