RT Journal Article SR Electronic T1 Von Frey’s pain spots JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1317 OP 1317 DO 10.1136/jnnp.2006.098970 VO 77 IS 12 A1 J M S Pearce YR 2006 UL http://jnnp.bmj.com/content/77/12/1317.abstract AB