PT - JOURNAL ARTICLE AU - Riedel, C.H. AU - Yoo, A.J. TI - Clot Characterization by Noncontrast CT to Predict IV tPA Failure AID - 10.3174/ajnr.A3041 DP - 2012 Apr 01 TA - American Journal of Neuroradiology PG - E63--E63 VI - 33 IP - 4 4099 - http://www.ajnr.org/content/33/4/E63.short 4100 - http://www.ajnr.org/content/33/4/E63.full SO - Am. J. Neuroradiol.2012 Apr 01; 33