Perioperative use of recombinant factor VII to prevent intraoperative aneurysm rupture in high risk patients: a preliminary safety evaluation. - Nussbaum ES; Janjua TM; Defillo A; Sinner P; Zelensky A; Nussbaum, Eric S; Janjua, Tariq M; Defillo, Archie; Sinner, Penny; Zelensky, Andrea (Neurocritical Care, 2009)