Preconceptional care: a systematic review of the current situation and recommendations for the future.

Facts Views Vis Obgyn · 2013 · PMC3987351 · PMID 24753925

Europe PMC

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probably not significantno p-value reported

mentioned in this study that the numbers were probably not significant because the study population was too small and there was no correction for demographic differences.

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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.