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Hawley NL, Brown C, Nu'usolia O, Ah-Ching J, Muasau-Howard B, McGarvey ST.Hawley NL, et al.Matern Child Health J. 2014 Dec;18(10):2284-92. doi: 10.1007/s10995-013-1368-9.Matern Child Health J. 2014.PMID: 24045912Free PMC article.