Polycythaemia.
D006801:Humans; D007938:Leukemia / Q000209:etiology; D008099:Liver / Q000473:pathology; D011086:Polycythemia / Q000150:complications / Q000209:etiology; D011087:Polycythemia Vera / Q000473:pathology; D055728:Primary Myelofibrosis / Q000473:pathology; D013154:Spleen / Q000473:pathology