title: Polycythaemia vera and chorea.
mesh_terms: D000368:Aged; D001772:Blood Cell Count; D001792:Blood Platelets; D001810:Blood Volume; D001815:Bloodletting; D002819:Chorea / Q000097:blood / Q000150:complications* / Q000628:therapy; D004906:Erythrocyte Count; D005260:Female; D006801:Humans; D011087:Polycythemia Vera / Q000097:blood / Q000150:complications* / Q000628:therapy