RT Journal Article SR Electronic T1 Multiple cerebral air emboli during upper gastrointestinal endoscopy JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1110 OP 1111 DO 10.1136/jnnp-2012-303377 VO 83 IS 11 A1 Gaia Talisa Koster A1 Dieta Brandsma A1 Henk Boot A1 Nyika Dalitso Kruyt YR 2012 UL http://jnnp.bmj.com/content/83/11/1110.abstract AB