Nitric oxide synthases and atrial fibrillation.

Front Physiol · 2012 · PMC3332924 · PMID 22536189

Europe PMC DOI

hedged sentence

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highly significantno p-value reported

The role of specific NOS isoforms is difficult to definitively define at the present time, but may be highly significant based on the intracellular distribution of various isoforms.

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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.