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Blood EA, Trent M, Gordon CM, Goncalves A, Resnick M, Fortenberry JD, Boyer CB, Richardson L, Emans SJ.Blood EA, et al.Matern Child Health J. 2015 Feb;19(2):308-13. doi: 10.1007/s10995-014-1619-4.Matern Child Health J. 2015.PMID: 25376658Free PMC article.