RT Journal Article SR Electronic T1 MRI lesions in younger healthy adults. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 246 DO 10.1136/jnnp.55.3.246 VO 55 IS 3 A1 Ferbert, A A1 Thron, A YR 1992 UL http://jnnp.bmj.com/content/55/3/246.1.abstract AB