| Literature DB >> 19734438 |
Linda A Linday, Richard D Shindledecker, Frank R Greer, Michael F Holick.
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Year: 2009 PMID: 19734438 DOI: 10.1177/0009922809343790
Source DB: PubMed Journal: Clin Pediatr (Phila) ISSN: 0009-9228 Impact factor: 1.168