1. The effects of Nordic school meals on concentration and school performance in 8- to 11-year-old children in the OPUS School Meal Study: a cluster-randomised, controlled, cross-over trial. Issue 8 (20th March 2015) Authors: Sørensen, Louise B.; Dyssegaard, Camilla B.; Damsgaard, Camilla T.; Petersen, Rikke A.; Dalskov, Stine-Mathilde; Hjorth, Mads F.; Andersen, Rikke; Tetens, Inge; Ritz, Christian; Astrup, Arne; Lauritzen, Lotte; Michaelsen, Kim F.; Egelund, Niels Journal: British journal of nutrition Issue: Volume 113:Issue 8(2015) Page Start: 1280 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗