PT  - JOURNAL ARTICLE
AU  - Michael Swash
TI  - Physical activity as a risk factor in ALS
AID  - 10.1136/jnnp-2018-318147
DP  - 2018 Apr 25
TA  - Journal of Neurology, Neurosurgery &amp;amp; Psychiatry
PG  - jnnp-2018-318147
4099  - http://jnnp.bmj.com/content/early/2018/04/25/jnnp-2018-318147.short
4100  - http://jnnp.bmj.com/content/early/2018/04/25/jnnp-2018-318147.full