title: 'Patent trolls' target biotechnology firms.
authors.forename: Erika Check
authors.initials: EC
authors.lastname: Hayden
mesh_terms: D000818:Animals; D001709:Biotechnology / Q000191:economics / Q000331:legislation & jurisprudence*; D006801:Humans; D007154:Immune System Diseases / Q000209:etiology / Q000276:immunology; D008396:Maryland; D010330:Patents as Topic / Q000331:legislation & jurisprudence*; D014612:Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology
chemical_list: D014612:Vaccines