Does Presence of Arterial Obstruction Influence the Treatment Effect of Intravenous tPA Over Placebo in the 3-6 Hour Time Window?

Deidre A De Silva, Leonid Churilov, Jean M Olivot, Soren Christensen, Maarten G Lansberg, Michael Mlynash, Matus Straka, Bruce C Campbell, Roland Bammer, Gregory W Albers, Stephen M Davis, Geoffrey A Donnan