PT - JOURNAL ARTICLE AU - Peter Rothwell TI - Principles of neuroepidemiology AID - 10.1136/jnnp.73.4.464 DP - 2002 Oct 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 464--464 VI - 73 IP - 4 4099 - http://jnnp.bmj.com/content/73/4/464.short 4100 - http://jnnp.bmj.com/content/73/4/464.full SO - J Neurol Neurosurg Psychiatry2002 Oct 01; 73