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Home » Lawsuit Accuses Endo, Impax of Keeping Generic Opana ER off the Market
Lawsuit Accuses Endo, Impax of Keeping Generic Opana ER off the Market
Endo Pharmaceuticals and Impax Laboratories are facing a lawsuit alleging that the two drugmakers conspired to keep a generic version of Endo’s pain medication Opana ER off the market.