COVID-19: we need randomised trials of school closures
Atle Fretheim, Martin Flatø, Anneke Steens, Signe Agnes Flottorp, Christopher James Rose, Kjetil Elias Telle, Jonas Minet Kinge, Per Everhard Schwarze
J Epidemiol Community Health Dec 2020, 74 (12) 1078-1079; DOI: 10.1136/jech-2020-214262