RT Journal Article SR Electronic T1 Increased premorbid physical activity and amyotrophic lateral sclerosis: born to run rather than run to death, or a seductive myth? JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 947 OP 947 DO 10.1136/jnnp-2013-304935 VO 84 IS 9 A1 Turner, Martin R YR 2013 UL http://jnnp.bmj.com/content/84/9/947.abstract AB