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Shipp WS, Kieras FJ, Haselkorn R.Shipp WS, et al.Proc Natl Acad Sci U S A. 1965 Jul;54(1):207-13. doi: 10.1073/pnas.54.1.207.Proc Natl Acad Sci U S A. 1965.PMID: 5216353Free PMC article.No abstract available.
SHIPP W, HASELKORN R.SHIPP W, et al.Proc Natl Acad Sci U S A. 1964 Aug;52(2):401-8. doi: 10.1073/pnas.52.2.401.Proc Natl Acad Sci U S A. 1964.PMID: 14206606Free PMC article.No abstract available.