Gundersen, H., Harris, A. K., Grendstad, H., Kristoffersen, M., Guttormsen, A., Dalen, T. & Rygh, C. B. (2022). Performance in youth track and field is associated with birth quartile. A register-based study among athletes in Norway from 10 years to senior level. Plos One, 17(9). doi:
10.1371/journal.pone.0273472