PT - JOURNAL ARTICLE AU - Charles Warlow TI - Editor’s choice AID - 10.1136/jnnp.2009.900906 DP - 2009 Jun 01 TA - Practical Neurology PG - 129--129 VI - 9 IP - 3 4099 - http://pn.bmj.com/content/9/3/129.short 4100 - http://pn.bmj.com/content/9/3/129.full SO - Pract Neurol2009 Jun 01; 9