Global analysis reveals climatic controls on the oxygen isotope composition of cave drip water.

Nat Commun · 2019 · PMC6611902 · PMID 31278295

Europe PMC DOI

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closest p

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highly significantno p-value reported

At a regional scale, the correlation is positive, very strong and highly significant for the European region and moderately strong for China.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.