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Nygren P, Fu R, Freeman M, Bougatsos C, Klebanoff M, Guise JM; U.S. Preventive Services Task Force.Nygren P, et al. Among authors: fu r.Ann Intern Med. 2008 Feb 5;148(3):220-33. doi: 10.7326/0003-4819-148-3-200802050-00008.Ann Intern Med. 2008.PMID: 18252684Free article.Review.
Humphrey LL, Fu R, Buckley DI, Freeman M, Helfand M.Humphrey LL, et al. Among authors: fu r.J Gen Intern Med. 2008 Dec;23(12):2079-86. doi: 10.1007/s11606-008-0787-6. Epub 2008 Sep 20.J Gen Intern Med. 2008.PMID: 18807098Free PMC article.Review.
Whitlock EP, Lin JS, Liles E, Beil TL, Fu R.Whitlock EP, et al. Among authors: fu r.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.
Buckley DI, Fu R, Freeman M, Rogers K, Helfand M.Buckley DI, et al. Among authors: fu r.Ann Intern Med. 2009 Oct 6;151(7):483-95. doi: 10.7326/0003-4819-151-7-200910060-00009.Ann Intern Med. 2009.PMID: 19805771Free article.Review.
Helfand M, Buckley DI, Freeman M, Fu R, Rogers K, Fleming C, Humphrey LL.Helfand M, et al. Among authors: fu r.Ann Intern Med. 2009 Oct 6;151(7):496-507. doi: 10.7326/0003-4819-151-7-200910060-00010.Ann Intern Med. 2009.PMID: 19805772Free article.Review.
Nelson HD, Fu R, Griffin JC, Nygren P, Smith ME, Humphrey L.Nelson HD, et al. Among authors: fu r.Ann Intern Med. 2009 Nov 17;151(10):703-15, W-226-35. doi: 10.7326/0003-4819-151-10-200911170-00147.Ann Intern Med. 2009.PMID: 19920271Review.