Fentanyl versus tramadol with levobupivacaine for combined spinal-epidural analgesia in labor.

Saudi J Anaesth · 2015 · PMC4478817 · PMID 26240543

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

The P -value was set as the level of significance, if <0.05 = significant at 5% significance level; if P < 0.01 = significant at 1% significance level and a P < 0.001= highly significant.

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