Recent advances in radiofrequency ablation for the management of hepatocellular carcinoma.

Hepat Mon · 2012 · PMC3496873 · PMID 23162600

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difference was apparentno p-value reported

RFA resulted in a higher rate of complete necrosis than PEI, although no significant difference was apparent, and required significantly fewer treatment sessions than PEI.

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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.