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Hammond EC, Horn D.Hammond EC, et al.J Am Med Assoc. 1958 Mar 15;166(11):1294-308. doi: 10.1001/jama.1958.02990110030007.J Am Med Assoc. 1958.PMID: 12308037
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HAMMOND EC, HORN D.HAMMOND EC, et al.Acta Unio Int Contra Cancrum. 1953;9(3):507-11.Acta Unio Int Contra Cancrum. 1953.PMID: 13124107No abstract available.
HAMMOND EC, WYNDER EL.HAMMOND EC, et al.Can Med Assoc J. 1960 Feb 13;82(7):372-7.Can Med Assoc J. 1960.PMID: 14399350Free PMC article.No abstract available.