| Literature DB >> 19414685 |
Jennifer C Kesselheim1, Leslie E Lehmann, Nancy Frumer Styron, Steven Joffe.
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Year: 2009 PMID: 19414685 DOI: 10.1001/archpediatrics.2009.43
Source DB: PubMed Journal: Arch Pediatr Adolesc Med ISSN: 1072-4710