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Tong ST, Makaroff LA, Xierali IM, Puffer JC, Newton WP, Bazemore AW.Tong ST, et al.Matern Child Health J. 2013 Nov;17(9):1576-81. doi: 10.1007/s10995-012-1159-8.Matern Child Health J. 2013.PMID: 23065313