PT - JOURNAL ARTICLE AU - PETER MARTIN TI - Echoenhancers and Transcranial Color Duplex Sonography AID - 10.1136/jnnp.67.1.132c DP - 1999 Jul 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 132--132 VI - 67 IP - 1 4099 - http://jnnp.bmj.com/content/67/1/132.4.short 4100 - http://jnnp.bmj.com/content/67/1/132.4.full SO - J Neurol Neurosurg Psychiatry1999 Jul 01; 67