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Ystrom E, Niegel S, Klepp KI, Vollrath ME.Ystrom E, et al.J Pediatr. 2008 Jan;152(1):68-72. doi: 10.1016/j.jpeds.2007.06.005. Epub 2007 Oct 24.J Pediatr. 2008.PMID: 18154903
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Ystrom E, Barker M, Vollrath ME.Ystrom E, et al.Matern Child Nutr. 2012 Jan;8(1):103-14. doi: 10.1111/j.1740-8709.2010.00257.x. Epub 2010 Aug 25.Matern Child Nutr. 2012.PMID: 20738782Free PMC article.
Brandlistuen RE, Ystrom E, Nulman I, Koren G, Nordeng H.Brandlistuen RE, et al. Among authors: ystrom e.Int J Epidemiol. 2013 Dec;42(6):1702-13. doi: 10.1093/ije/dyt183. Epub 2013 Oct 24.Int J Epidemiol. 2013.PMID: 24163279Free PMC article.
Brandlistuen RE, Ystrom E, Nulman I, Koren G, Nordeng H.Brandlistuen RE, et al. Among authors: ystrom e.Int J Epidemiol. 2014 Jun;43(3):975-6. doi: 10.1093/ije/dyu015. Epub 2014 Feb 11.Int J Epidemiol. 2014.PMID: 24518931No abstract available.