1. Return to athletic competition following concussion;Hugenholtz, H.; Richard, M.T.;Can Med Assoc,1982
2. Neuropathological changes in the white matter following head injury;Nevin, N.C.;J Neuropath Exp Neurol,1967
3. Shear injuries of the brain;Peerless, S.J.; Rencastle, N.B.;Can Med Assoc J,1967
4. Alterations in cell structure of the brain associated with experimental concussion;Chason, J.L.; Hardy, W.G.; Webster, J.E.; Gurdjian, E.S.;J Neurosurg,1958
5. Impact head injury;Gurdjian, E.S.; Thomas, L.M.; Hodgson, V.R.; Patrick, L.M.;GP