Validation of a 4-Point Prediction Rule to Stratify Short-Term Stroke Risk After TIA62Johnston, S ClaiborneSidney, StephenAuthor informationUCSF Med Ctr, San Francisco, CA; (Johnston)Kaiser Permanente DOR, Oakland, CA (Sidney)Stroke 36(2):p 430, February 2005.Copyright © 2005 American Heart Association, Inc.