Robotic colorectal surgery: a systematic review.

ISRN Surg · 2012 · PMC3359666 · PMID 22655207

Europe PMC DOI

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did not reach statistical significanceno p-value reported

Most of the comparative studies compare it with laparoscopic technique and they notice that longer time with robotic surgery did not reach statistical significance.

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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.