| http://www.w3.org/ns/prov#value | - All trials, except one, were of adults, and the settings were operating rooms, emergency departments or maternity wards.Two independent reviewers selected trials for the review; disagreements were resolved by consensus.Assessment of study qualityTwo reviewers independently assessed trial quality, using a modified version of the Checklist to Evaluate a Report of a Nonpharmacological Trial (CLEAR NP
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