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Isaac A, Saginur M, Hartling L, Robinson JL.Isaac A, et al. Among authors: hartling l.Pediatrics. 2013 Apr;131(4):732-8. doi: 10.1542/peds.2012-2027. Epub 2013 Mar 25.Pediatrics. 2013.PMID: 23530180
Freedman SB, Ali S, Oleszczuk M, Gouin S, Hartling L.Freedman SB, et al. Among authors: hartling l.Evid Based Child Health. 2013 Jul;8(4):1123-37. doi: 10.1002/ebch.1932.Evid Based Child Health. 2013.PMID: 23877938Review.
Hamm MP, Shulhan J, Williams G, Milne A, Scott SD, Hartling L.Hamm MP, et al. Among authors: hartling l.BMC Pediatr. 2014 Jun 2;14:138. doi: 10.1186/1471-2431-14-138.BMC Pediatr. 2014.PMID: 24886048Free PMC article.Review.