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Carolan M, Davey MA, Biro MA, Kealy M.Carolan M, et al. Among authors: biro ma.Birth. 2011 Mar;38(1):24-9. doi: 10.1111/j.1523-536X.2010.00439.x. Epub 2010 Dec 23.Birth. 2011.PMID: 21332771
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