Variation in Carotid Endarterectomy Mortality in Medicare Pop, Trial Hospitals, Vol & Pt Charact
JAMA 279:1278-1281, Wennberg,D.E.,et al, 1998
Indications, Outcomes, and Provider Volumes for Carotid Endarterectomy
JAMA 279:1282-1287, 13041998., Cebul,R.D.,et al, 1998
Warfarin Use Following Ischemic Stroke Among Medicare Patients with Atrial Fibrillation
Arch Int Med 158:2093-2100, Brass,L.A.,et al, 1998
Comparison of Carotid Endarterectomy Outcomes from Ransomized Trials & Medicare Administrative Databases
Arch Neurol 54:826-832, Stukenborg,G.J., 1997