title: Patent laws: could changes enhance drug development?
authors.forename: J A
authors.initials: JA
authors.lastname: Mattes
mesh_terms: D003365:Costs and Cost Analysis; D017277:Drug Approval / Q000191:economics; D004341:Drug Evaluation / Q000191:economics; D004345:Drug Industry / Q000331:legislation & jurisprudence*; D015507:Drugs, Investigational; D006801:Humans; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D013997:Time Factors; D014481:United States
chemical_list: D015507:Drugs, Investigational