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Doerr CH, Allen MS, Nichols FC 3rd, Ryu JH.Doerr CH, et al. Among authors: ryu jh.Mayo Clin Proc. 2005 Jul;80(7):867-70. doi: 10.4065/80.7.867.Mayo Clin Proc. 2005.PMID: 16007891
Patel RR, Yi ES, Ryu JH.Patel RR, et al. Among authors: ryu jh.Am J Med Sci. 2009 Jan;337(1):57-9. doi: 10.1097/01.MAJ.0000308933.80112.49.Am J Med Sci. 2009.PMID: 18941405