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Schultz ST, Klonoff-Cohen HS, Wingard DL, Akshoomoff NA, Macera CA, Ji M, Bacher C.Schultz ST, et al. Among authors: wingard dl.Int Breastfeed J. 2006 Sep 15;1:16. doi: 10.1186/1746-4358-1-16.Int Breastfeed J. 2006.PMID: 16978397Free PMC article.