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Lin JS, Whitlock E, O'Connor E, Bauer V.Lin JS, et al.Ann Intern Med. 2008 Oct 7;149(7):497-508, W96-9. doi: 10.7326/0003-4819-149-7-200810070-00011.Ann Intern Med. 2008.PMID: 18838730Free article.Review.
Whitlock EP, Lin JS, Liles E, Beil TL, Fu R.Whitlock EP, et al.Ann Intern Med. 2008 Nov 4;149(9):638-58. doi: 10.7326/0003-4819-149-9-200811040-00245. Epub 2008 Oct 6.Ann Intern Med. 2008.PMID: 18838718Free article.Review.
Williams SB, O'Connor EA, Eder M, Whitlock EP.Williams SB, et al. Among authors: whitlock ep.Pediatrics. 2009 Apr;123(4):e716-35. doi: 10.1542/peds.2008-2415.Pediatrics. 2009.PMID: 19336361Review.