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Popovtzer MM, Rosenbaum BJ, Gordon A, Maxwell MH.Popovtzer MM, et al. Among authors: rosenbaum bj.N Engl J Med. 1969 Oct 23;281(17):949-50. doi: 10.1056/NEJM196910232811708.N Engl J Med. 1969.PMID: 4309433No abstract available.