Myocardial function in premature infants: a longitudinal observational study.

BMJ Open · 2013 · PMC3612763 · PMID 23533215

Europe PMC DOI

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closest p

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a clear trendno p-value reported

Even though the changes during the first 3 days were small, there was a clear trend of increasing velocities throughout the study period.

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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.