@misc{indiciae78a305e8128d, title = {Duration of cognitive dysfunction after concussion, and cognitive dysfunction as a risk factor: a population study of young men.}, author = {T W Teasdale and A Engberg}, year = {1997}, doi = {10.1136/bmj.315.7108.569}, url = {https://pubmed.ncbi.nlm.nih.gov/9302952/}, note = {Source identifier: 9302952} }