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Collett MS, Erikson E, Purchio AF, Brugge JS, Erikson RL.Collett MS, et al. Among authors: purchio af.Proc Natl Acad Sci U S A. 1979 Jul;76(7):3159-63. doi: 10.1073/pnas.76.7.3159.Proc Natl Acad Sci U S A. 1979.PMID: 226956Free PMC article.
Collett MS, Purchio AF, Erikson RL.Collett MS, et al. Among authors: purchio af.Nature. 1980 May 15;285(5761):167-9. doi: 10.1038/285167a0.Nature. 1980.PMID: 6246443
Erikson RL, Collett MS, Erikson E, Purchio AF.Erikson RL, et al. Among authors: purchio af.Proc Natl Acad Sci U S A. 1979 Dec;76(12):6260-4. doi: 10.1073/pnas.76.12.6260.Proc Natl Acad Sci U S A. 1979.PMID: 230504Free PMC article.