Comparative study of epidural bupivacaine with butorphanol and bupivacaine with tramadol for postoperative pain relief in abdominal surgeries.

Anesth Essays Res · 2016 · PMC5062192 · PMID 27746533

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

P ≤ 0.001 was considered to be statistically highly significant.

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