Effects of a school-based physical activity intervention on academic performance in 14-year old adolescents: a cluster randomized controlled trial - the School in Motion study - Solberg, RB; Steene-Johannessen, J; Anderssen, SA; Ekelund, U; Safvenbom, R; Haugen, T; Berntsen, S; Avitsland, A; Lerum, O; Resaland, GK; Kolle, E (2021)
rct; evidence grade B