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Loeb LA, Agarwal SS, Woodside AM.Loeb LA, et al.Proc Natl Acad Sci U S A. 1968 Nov;61(3):827-34. doi: 10.1073/pnas.61.3.827.Proc Natl Acad Sci U S A. 1968.PMID: 5246548Free PMC article.No abstract available.