PT - JOURNAL ARTICLE AU - G M Van Kempen TI - Plasma serotonin. AID - 10.1136/jnnp.53.9.819-c DP - 1990 Sep 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 819--820 VI - 53 IP - 9 4099 - http://jnnp.bmj.com/content/53/9/819.4.short 4100 - http://jnnp.bmj.com/content/53/9/819.4.full SO - J Neurol Neurosurg Psychiatry1990 Sep 01; 53