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Goyal RK, Wheeler SB, Kohler RE, Lich KH, Lin CC, Reeder-Hayes K, Meyer AM, Mayer DK.Goyal RK, et al.N C Med J. 2014 Jul-Aug;75(4):231-8. doi: 10.18043/ncm.75.4.231.N C Med J. 2014.PMID: 25046085Free article.