The use of response surface methodology to optimize the ultrasound-assisted extraction of five anthraquinones from Rheum palmatum L.

Molecules · 2011 · PMC6264690 · PMID 21765390

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

The F -value, 316.1, implied that the model was highly 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.