So Dent may say "health care, " but it's up to Sachnowitz to decide in favor of Idec Pharmaceuticals and against Abbott Labs.

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AbbVie (No. 257) is the research-based pharmaceuticals business of Abbott Labs (No. 123) that started to publicly trade as an independent company in January of this year when the company officially separated into two public companies.

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Besides Diadexus, Abbott Laboratories, Roche Holding and Millennium Pharmaceuticals are pursuing new diagnostic tests.

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