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Bowen MF, Saunders DS, Bollenbacher WE, Gilbert LI.Bowen MF, et al. Among authors: saunders ds.Proc Natl Acad Sci U S A. 1984 Sep;81(18):5881-4. doi: 10.1073/pnas.81.18.5881.Proc Natl Acad Sci U S A. 1984.PMID: 6592591Free PMC article.
Saunders DS, Henrich VC, Gilbert LI.Saunders DS, et al.Proc Natl Acad Sci U S A. 1989 May;86(10):3748-52. doi: 10.1073/pnas.86.10.3748.Proc Natl Acad Sci U S A. 1989.PMID: 2498875Free PMC article.