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The Single Coronary Artery: A Rare Anatomic Variant. [PDF]

open access: yesMethodist Debakey Cardiovasc J
Burnette-Phelps K   +6 more
europepmc   +1 more source

Rapid rise in atmospheric CO2 marked the end of the Late Palaeozoic Ice Age. [PDF]

open access: yesNat Geosci
Jurikova H   +18 more
europepmc   +1 more source

4 Permian

open access: yes
Renaud Bouroullec   +2 more
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Permian

Geological Society, London, Memoirs, 1992
Abstract Permian strata in the British Isles crop out mainly in northern and central England but are extensive in the subsurface both on land and in several adjoining offshore areas. Their base is defined as in Smith et al. (1974) and their top is within red beds, overlying the Zechstein evaporites.
D. B. Smith   +4 more
openaire   +1 more source

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