Effectiveness of workplace exercise supervised by a physical therapist among nurses conducting shift work: A randomized controlled trial.

J Occup Health · 2017 · PMC5557819 · PMID 28638000

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may be significantno p-value reported

Participant encouragement by the PT in the same hospital may be significant.

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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.