RT Journal Article SR Electronic T1 Motor neuron disease JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 303 OP 309 DO 10.1136/jnnp.2009.188151 VO 9 IS 5 A1 Kevin Talbot YR 2009 UL http://pn.bmj.com/content/9/5/303.abstract AB