title: Variations in time of market exclusivity among top-selling prescription drugs in the United States.
authors: The Program On Regulation, Therapeutics, and Law, Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
authors: Bo
authors: B
authors: Wang
authors: The Program On Regulation, Therapeutics, and Law, Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
authors: Jun
authors: J
authors: Liu
authors: The Program On Regulation, Therapeutics, and Law, Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
authors: Aaron S
authors: AS
authors: Kesselheim
mesh_terms: D017277:Drug Approval; D004345:Drug Industry / Q000191:economics; D016568:Drugs, Generic / Q000191:economics; D004465:Economic Competition; D019981:Health Care Sector / Q000191:economics; D006801:Humans; D010330:Patents as Topic; D055553:Prescription Drugs; D013997:Time Factors; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D016568:Drugs, Generic; D055553:Prescription Drugs