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- Abbott Laboratories
- Astra Zeneca
- Aventis Pharma
- Bristol Myers Squibb
- Eli Lilly & Company
- Genetics Institute
- Genzyme Corporation
- Glaxo Wellcome
- Hoechst Marion Roussel
- Hoffmann La Roche
- Johnson and Johnson
- Merck and Company
- Smith Kline Beecham (GlaxoSmithKline)
- Warner Lambert (Pfizer)
- Wyeth Ayerst (American Home Products)
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