Abbott Laboratories
Alliance Imaging
Boulevard Healthcare
Bristol-Myers Squibb
Centocor
Cephalon
Evanston Northwestern Healthcare
Fujisawa Pharmaceuticals
Harvard Clinical Research Institute
HealthSouth
Leica Microsystems
Lutheran Health System
Medtronic
Northwestern Memorial Hospital
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Parexel International
Parke-Davis (Pfizer)
Rush Presbyterian-St. Luke's Medical Center
Schering-Plough
G.D. Searle (Pharmacia)
Surgical Specialties
Syntex (Hoffman-LaRoche)
Takeda Pharmaceuticals North America
TAP Pharmaceuticals |