The International Headache Congress - IHS and EHF joint congress 2021 : Virtual. 8-12 September 2021.

J Headache Pain · 2021 · PMC8421196 · PMID 34488620

Europe PMC DOI

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The sentences

highly significantno p-value reported

The admission rates for headaches shows highly significant differences between 2012 and biennial 2019/2020.

also in 132,142 other papers

showed a trendno p-value reported

Within each 6-month MHD group, mean 6-month MSQ-RFR showed a trend towards lower MSQ-RFR with higher 3-month (prior) MHD category.

also in 53,322 other papers

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.