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Harju M, Keski-Nisula L, Georgiadis L, Räisänen S, Gissler M, Heinonen S.Harju M, et al. Among authors: heinonen s.J Pediatr. 2014 Feb;164(2):295-9.e1. doi: 10.1016/j.jpeds.2013.09.057. Epub 2013 Nov 6.J Pediatr. 2014.PMID: 24210922