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Nordvall-Lassen M, Hegaard HK, Obel C, Lindhard MS, Hedegaard M, Henriksen TB.Nordvall-Lassen M, et al. Among authors: hedegaard m.BMC Pediatr. 2018 May 12;18(1):163. doi: 10.1186/s12887-018-1141-8.BMC Pediatr. 2018.PMID: 29753323Free PMC article.