High-Cost Generic Drugs

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http://www.nejm.org/doi/full/10.1056/NEJMp1408376

(from the New England Journal of Medicine)

It is well known that new brand-name drugs are often expensive, but U.S. health care is also witnessing a lesser-known but growing and seemingly paradoxical phenomenon: certain older drugs, many of which are generic and not protected by patents or market exclusivity, are now also extremely expensive...