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Historical Article
Journal Article
A shift on "pay for delay"--reopening doors for pharmaceutical competition?
New England Journal of Medicine 2012 November 2
In 1989, the pharmaceutical company Schering-Plough patented the controlled-release coating on a sustained-release potassium chloride tablet called K-Dur. In 1995, Upsher-Smith, a generic-drug manufacturer, sought approval from the Food and Drug Administration (FDA) to market a generic version of..
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