| Literature DB >> 19968945 |
Ian M Paul1, Cynthia J Bartok, Danielle S Downs, Cynthia A Stifter, Alison K Ventura, Leann L Birch.
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Year: 2009 PMID: 19968945 PMCID: PMC2791708 DOI: 10.1016/j.yapd.2009.08.012
Source DB: PubMed Journal: Adv Pediatr ISSN: 0065-3101