Circadian Variation in Ischemic Stroke SubtypesSeemant Chaturvedi(University of Iowa), Robert F. Woolson(Virginia Department of Health)StrokeSeptember 1, 199910.1161/01.str.30.9.1792Cited by 102SaveCiteExport RISWatch citationsRelated PapersApplying a Phase II Futility Study Design to Therapeutic Stroke Trials|Stroke|2005|59