Not everyone is perfct: about off-patent drugs.
D000970:Antineoplastic Agents / Q000191:economics*; D004345:Drug Industry; D016568:Drugs, Generic / Q000191:economics* / Q000600:supply & distribution; D006801:Humans; D007880:Legislation, Drug; D010330:Patents as Topic; D014481:United States; D014485:United States Federal Trade Commission / Q000331:legislation & jurisprudence*
D000970:Antineoplastic Agents; D016568:Drugs, Generic