Transcranial Doppler Waveforms During Intra-aortic Balloon Pump Counterpulsation for Vasospasm Detection After Subarachnoid Hemorrhage. Issue 3 (1st September 2018) - Morris, Nicholas A; Manning, Nathan; Marshall, Randolph S; Connolly, E Sander; Claassen, Jan; Agarwal, Sachin; Roh, David J; Schmidt, J Michael; Park, Soojin