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Rashby SE, Sessions AL, Summons RE, Newman DK.Rashby SE, et al. Among authors: sessions al.Proc Natl Acad Sci U S A. 2007 Sep 18;104(38):15099-104. doi: 10.1073/pnas.0704912104. Epub 2007 Sep 11.Proc Natl Acad Sci U S A. 2007.PMID: 17848515Free PMC article.
Zhang X, Gillespie AL, Sessions AL.Zhang X, et al. Among authors: sessions al.Proc Natl Acad Sci U S A. 2009 Aug 4;106(31):12580-6. doi: 10.1073/pnas.0903030106. Epub 2009 Jul 17.Proc Natl Acad Sci U S A. 2009.PMID: 19617564Free PMC article.
Welander PV, Coleman ML, Sessions AL, Summons RE, Newman DK.Welander PV, et al. Among authors: sessions al.Proc Natl Acad Sci U S A. 2010 May 11;107(19):8537-42. doi: 10.1073/pnas.0912949107. Epub 2010 Apr 26.Proc Natl Acad Sci U S A. 2010.PMID: 20421508Free PMC article.
Doughty DM, Coleman ML, Hunter RC, Sessions AL, Summons RE, Newman DK.Doughty DM, et al. Among authors: sessions al.Proc Natl Acad Sci U S A. 2011 Nov 8;108(45):E1045-51. doi: 10.1073/pnas.1104209108. Epub 2011 Aug 22.Proc Natl Acad Sci U S A. 2011.PMID: 21873238Free PMC article.
Lee C, Fike DA, Love GD, Sessions AL, Grotzinger JP, Summons RE, Fischer WW.Lee C, et al. Among authors: sessions al.Geobiology. 2013 Sep;11(5):406-19. doi: 10.1111/gbi.12045. Epub 2013 Jun 20.Geobiology. 2013.PMID: 23783077
Summons RE, Bird LR, Gillespie AL, Pruss SB, Roberts M, Sessions AL.Summons RE, et al. Among authors: sessions al.Geobiology. 2013 Sep;11(5):420-36. doi: 10.1111/gbi.12047. Epub 2013 Jun 21.Geobiology. 2013.PMID: 23790232