Long-term physical activity: an exogenous risk factor for sporadic amyotrophic lateral sclerosis?
Harwood CA, Westgate K, Gunstone S, Brage S, Wareham NJ, McDermott CJ, Shaw PJ
Amyotrophic lateral sclerosis & frontotemporal degeneration. Mar 2016
(DOI : 10.3109/21678421.2016.1154575)