title: Arsenic patent keeps drug for rare cancer out of reach of many.
authors.forename: David
authors.initials: D
authors.lastname: Cyranoski
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001151:Arsenic / Q000627:therapeutic use*; D006801:Humans; D015473:Leukemia, Promyelocytic, Acute / Q000188:drug therapy*; D010330:Patents as Topic