PT - JOURNAL ARTICLE AU - Schwid, Steven R. AU - Cutter, Gary R. TI - Futility studies AID - 10.1212/01.wnl.0000204644.81956.65 DP - 2006 Mar 14 TA - Neurology PG - 626--627 VI - 66 IP - 5 4099 - http://n.neurology.org/content/66/5/626.short 4100 - http://n.neurology.org/content/66/5/626.full SO - Neurology2006 Mar 14; 66