The incidence of cancer in chronic leukemia and in polycythemia vera.
D002908:Chronic Disease; D006801:Humans; D015994:Incidence; D007938:Leukemia / Q000706:statistics & numerical data*; D009369:Neoplasms / Q000706:statistics & numerical data*; D011087:Polycythemia Vera / Q000706:statistics & numerical data*
LEUKEMIA/statistics; NEOPLASMS/statistics; POLYCYTHEMIA VERA/statistics