Effects of improved home heating on asthma in community dwelling children: randomised controlled trial.

BMJ · 2008 · PMC2658826 · PMID 18812366

Europe PMC DOI

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failed to reach statistical significanceno p-value reported

The use of reliever drugs was also reduced at night and during the day among children in the intervention group compared with children in the control group, although this also failed to 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.