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Hamvas A, Wise PH, Yang RK, Wampler NS, Noguchi A, Maurer MM, Walentik CA, Schramm WF, Cole FS.Hamvas A, et al. Among authors: wampler ns.N Engl J Med. 1996 Jun 20;334(25):1635-40. doi: 10.1056/NEJM199606203342504.N Engl J Med. 1996.PMID: 8628359Free article.