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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2002 2
2008 1
2009 1
2013 1
2014 2
2015 5
2016 2
2017 1
2018 2
2019 6
2020 6
2021 6
2022 2
2023 1
2024 0

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Page 1
Ediacaran Doushantuo-type biota discovered in Laurentia.
Willman S, Peel JS, Ineson JR, Schovsbo NH, Rugen EJ, Frei R. Willman S, et al. Among authors: frei r. Commun Biol. 2020 Nov 6;3(1):647. doi: 10.1038/s42003-020-01381-7. Commun Biol. 2020. PMID: 33159138 Free PMC article.
Atmospheric oxygenation three billion years ago.
Crowe SA, Døssing LN, Beukes NJ, Bau M, Kruger SJ, Frei R, Canfield DE. Crowe SA, et al. Among authors: frei r. Nature. 2013 Sep 26;501(7468):535-8. doi: 10.1038/nature12426. Nature. 2013. PMID: 24067713
Bioavailable 87Sr/86Sr in European soils: A baseline for provenancing studies.
Hoogewerff JA, Reimann C, Ueckermann H, Frei R, Frei KM, van Aswegen T, Stirling C, Reid M, Clayton A, Ladenberger A; GEMAS Project Team. Hoogewerff JA, et al. Among authors: frei r. Sci Total Environ. 2019 Jul 1;672:1033-1044. doi: 10.1016/j.scitotenv.2019.03.387. Epub 2019 Mar 31. Sci Total Environ. 2019. PMID: 30999220
32 results