PT - JOURNAL ARTICLE AU - Marsden, C. D. TI - Drug Interactions and Their Mechanisms AID - 10.1136/jnnp.40.5.515-c DP - 1977 May 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 515--515 VI - 40 IP - 5 4099 - http://jnnp.bmj.com/content/40/5/515.4.short 4100 - http://jnnp.bmj.com/content/40/5/515.4.full SO - J Neurol Neurosurg Psychiatry1977 May 01; 40