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Kasarskis EJ, Kuo CS, Berger R, Nelson KR.Kasarskis EJ, et al. Among authors: nelson kr.Arch Intern Med. 1992 Jan;152(1):186-91. doi: 10.1001/archinte.152.1.186.Arch Intern Med. 1992.PMID: 1728915Review.
Baker RS, Stava MW, Nelson KR, May PJ, Huffman MD, Porter JD.Baker RS, et al. Among authors: nelson kr.Neurology. 1994 Nov;44(11):2165-73. doi: 10.1212/wnl.44.11.2165.Neurology. 1994.PMID: 7969978