A randomized controlled study comparing a vessel sealing system with the conventional technique in axillary lymph node dissection for primary breast cancer.

Springerplus · 2016 · PMC4937003 · PMID 27398279

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a strong trendno p-value reported

Background Over the past several decades, there has been a strong trend toward minimizing the extent of surgical resection in the management of patients with breast cancer.

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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.