Perturbations in the carbon budget of the tropics.

Glob Chang Biol · 2014 · PMC4261894 · PMID 24902948

Europe PMC DOI

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may be significantno p-value reported

Apart from CO 2 , other carbon species may be significant.

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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.