RT Journal Article SR Electronic T1 Withdrawal of tracheostomy ventilation in motor neurone disease: implementing advance directives JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 339 OP 340 DO 10.1136/practneurol-2017-001694 VO 17 IS 5 A1 Christopher J McDermott A1 Christina Faull YR 2017 UL http://pn.bmj.com/content/17/5/339.abstract AB