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

Year Number of Results
1971 1
1976 1
1986 1
1989 1
1991 1
1992 2
1995 1
2011 1
2013 3
2014 1
2016 3
2017 2
2018 2
2019 2
2021 0
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21 results
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Page 1
Anthropocene: keep communication clear.
Edwards LE, Harper DA, Gibbard PL. Edwards LE, et al. Among authors: harper da. Nature. 2017 Jan 25;541(7638):464. doi: 10.1038/541464c. Nature. 2017. PMID: 28128241 No abstract available.
An extraterrestrial trigger for the mid-Ordovician ice age: Dust from the breakup of the L-chondrite parent body.
Schmitz B, Farley KA, Goderis S, Heck PR, Bergström SM, Boschi S, Claeys P, Debaille V, Dronov A, van Ginneken M, Harper DAT, Iqbal F, Friberg J, Liao S, Martin E, Meier MMM, Peucker-Ehrenbrink B, Soens B, Wieler R, Terfelt F. Schmitz B, et al. Among authors: harper dat. Sci Adv. 2019 Sep 18;5(9):eaax4184. doi: 10.1126/sciadv.aax4184. eCollection 2019 Sep. Sci Adv. 2019. PMID: 31555741 Free PMC article.
Minerals in the gut: scoping a Cambrian digestive system.
Strang KM, Armstrong HA, Harper DA. Strang KM, et al. Among authors: harper da. R Soc Open Sci. 2016 Nov 16;3(11):160420. doi: 10.1098/rsos.160420. eCollection 2016 Nov. R Soc Open Sci. 2016. PMID: 28018620 Free PMC article.
Earth science. Causes of the Cambrian explosion.
Smith MP, Harper DA. Smith MP, et al. Among authors: harper da. Science. 2013 Sep 20;341(6152):1355-6. doi: 10.1126/science.1239450. Science. 2013. PMID: 24052300 No abstract available.
21 results
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