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Norsk
versjon
In order to register data in Cristin, you must be an academic or administrative employee.
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Polus, Stephanie; Pieper, Dawid; Burns, Jacob; Fretheim, Atle; Ramsay, Craig; Higgins, Julian P T; Mathes, Tim; Pfadenhauer, Lisa M; Rehfuess, Eva A. Heterogeneity in application, design and analysis characteristics was found for controlled before-after (CBA) and interrupted time series (ITS) studies included in Cochrane reviews. Journal of Clinical Epidemiology 2017 ;Volume 91. p. 56-69 FHI
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