PT - JOURNAL ARTICLE AU - CHRISTOPHER J MATHIAS TI - Can the early presence of autonomic dysfunction aid diagnosis in parkinsonism? AID - 10.1136/jnnp.67.5.566 DP - 1999 Nov 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 566--566 VI - 67 IP - 5 4099 - http://jnnp.bmj.com/content/67/5/566.short 4100 - http://jnnp.bmj.com/content/67/5/566.full SO - J Neurol Neurosurg Psychiatry1999 Nov 01; 67