RT Journal Article SR Electronic T1 Dispersion and ‘salted pretzel sign’ from thrombolysis of a spontaneous calcified embolus in an acute stroke JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 111 OP 112 DO 10.1136/jnnp-2012-303298 VO 84 IS 1 A1 Gschwind, Markus A1 Binaghi, Stefano A1 Zekeridou, Anastasia A1 Michel, Patrik YR 2013 UL http://jnnp.bmj.com/content/84/1/111.abstract AB