Maternal physical activity before and during the prenatal period and the offspring's academic performance in youth. The UP&DOWN study

1. Esteban-Cornejo, I.
2. Martinez-Gomez, D.
3. Tejero-González, C.M.
4. Izquierdo-Gomez, R.
5. Carbonell-Baeza, A.
6. Castro-Piñero, J.
7. Sallis, J.F.
8. Veiga, O.L.