title: US tosses out patents on three Wisconsin stem cell lines.
authors.forename: Alisa
authors.initials: A
authors.lastname: Opar
mesh_terms: D018929:Cell Culture Techniques; D002460:Cell Line; D053595:Embryonic Stem Cells; D006801:Humans; D010330:Patents as Topic; D012109:Research Support as Topic; D014922:Wisconsin