title: Natural history of polycythemia vera.
authors.forename: O
authors.initials: O
authors.lastname: Shpilberg
authors.forename: A
authors.initials: A
authors.lastname: Shahar
mesh_terms: D006801:Humans; D011087:Polycythemia Vera / Q000175:diagnosis / Q000188:drug therapy / Q000401:mortality; D012107:Research Design; D012189:Retrospective Studies