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Aitavaara-Anttila M, Liisanantti J, Ehrola A, Spalding M, Ala-Kokko T, Raatiniemi L.Aitavaara-Anttila M, et al.Emerg Med J. 2020 Jul;37(7):429-433. doi: 10.1136/emermed-2019-208834. Epub 2020 Apr 3.Emerg Med J. 2020.PMID: 32245748