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Herrmann JE, Taylor DN, Echeverria P, Blacklow NR.Herrmann JE, et al. Among authors: blacklow nr.N Engl J Med. 1991 Jun 20;324(25):1757-60. doi: 10.1056/NEJM199106203242501.N Engl J Med. 1991.PMID: 1645459Free article.