Media type: E-Article Title: COVID-19: we need randomised trials of school closures Contributor: Fretheim, Atle; Flatø, Martin; Steens, Anneke; Flottorp, Signe Agnes; Rose, Christopher James; Telle, Kjetil Elias; Kinge, Jonas Minet; Schwarze, Per Everhard imprint: BMJ, 2020 Published in: Journal of Epidemiology and Community Health, 74 (2020) 12, Seite 1078-1079 Language: English DOI: 10.1136/jech-2020-214262 ISSN: 0143-005X; 1470-2738 Origination: Footnote: