Archives of Pediatrics and Adolescent Medicine (2008) - Comments
pubmed: 18458194  doi: 10.1001/archpedi.162.5.469  issn: 1072-4710  issn: 1538-3628 

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Russell M. Viner, Charlotte Clark, Stephanie J. C. Taylor, Kam Bhui, Emily Klineberg, Jenny Head, Robert Booy, Stephen A. Stansfeld