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Donahue K, Porterfield D, Reaves J, Gizlice Z.Donahue K, et al. Among authors: porterfield d.N C Med J. 2003 Mar-Apr;64(2):66-7.N C Med J. 2003.PMID: 12774735No abstract available.
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Porterfield DS, Reaves J, Konrad TR, Weiner BJ, Garrett JM, Davis M, Dickson CW, Plescia M, Alexander J, Baker EL Jr.Porterfield DS, et al.Prev Chronic Dis. 2009 Jul;6(3):A87. Epub 2009 Jun 15.Prev Chronic Dis. 2009.PMID: 19527588Free PMC article.
Stone-Wiggins B, Porterfield D.Stone-Wiggins B, et al. Among authors: porterfield d.N C Med J. 2001 Sep-Oct;62(5):248-51.N C Med J. 2001.PMID: 11570318No abstract available.