RT Journal Article SR Electronic T1 A note on the origins of syphilis JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 542 OP 542 DO 10.1136/jnnp.64.4.542 VO 64 IS 4 A1 PEARCE, J M S YR 1998 UL http://jnnp.bmj.com/content/64/4/542.abstract AB