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Bobay LM, Ochman H.Bobay LM, et al. Among authors: ochman h.Proc Natl Acad Sci U S A. 2018 Jun 5;115(23):6040-6045. doi: 10.1073/pnas.1717593115. Epub 2018 May 21.Proc Natl Acad Sci U S A. 2018.PMID: 29784828Free PMC article.
Kirchberger PC, Martinez ZA, Luker LJ, Ochman H.Kirchberger PC, et al. Among authors: ochman h.Proc Natl Acad Sci U S A. 2021 Jul 13;118(28):e2102786118. doi: 10.1073/pnas.2102786118.Proc Natl Acad Sci U S A. 2021.PMID: 34244443Free PMC article.