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Wheeler LA, Carter JH, Soderberg FB, Goldman P.Wheeler LA, et al. Among authors: soderberg fb.Proc Natl Acad Sci U S A. 1975 Nov;72(11):4607-11. doi: 10.1073/pnas.72.11.4607.Proc Natl Acad Sci U S A. 1975.PMID: 1105585Free PMC article.