PT - JOURNAL ARTICLE AU - TJ Steiner TI - Drug-Induced Headache AID - 10.1136/jnnp.52.4.552-b DP - 1989 Apr 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 552--552 VI - 52 IP - 4 4099 - http://jnnp.bmj.com/content/52/4/552.3.short 4100 - http://jnnp.bmj.com/content/52/4/552.3.full SO - J Neurol Neurosurg Psychiatry1989 Apr 01; 52