Improved Cerebrovascular Patency Following Therapy in Patients with Sickle Cell Disease: Initial Results in 4 Patients Who Received HLA-Identical Hematopoietic Stem Cell Allografts
Ann Neurol 49:222-229, Steen,R.G.,et al, 2001
Carotid Artery Vasospasm Complicating Extensive Skull Base Surgery: Cause, Prevention, and Management
Otolaryngol Head Neck Surg 97:1-7, Smith, P.G. & Killeen, T.E., 1987