RT Journal Article SR Electronic T1 Pathological plantar response. I. Flexor and extensor components in early and late reflex parts. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 469 OP 475 DO 10.1136/jnnp.28.6.469 VO 28 IS 6 A1 L Grimby YR 1965 UL http://jnnp.bmj.com/content/28/6/469.abstract AB