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THREE pharmaceutical giants have topped a list on the ethical performance of multinational firms -- although medical ethics experts have questioned the study's validity.
The survey, produced by Swiss firm Covalence, ranked GlaxoSmithKline, Merck and Bristol-Myers Squibb as the most ethical of 200 firms, including coffee chain Starbucks and aluminium producer Alcoa. Covalence, which specialises in measuring the ethical performance of multinational...