[Polycythemia preceded by neoplasms].
D004921:Erythropoietin / Q000096:biosynthesis*; D006801:Humans; D066298:In Vitro Techniques; D007674:Kidney Diseases / Q000150:complications*; D009369:Neoplasms / Q000150:complications*; D011086:Polycythemia / Q000209:etiology*
D004921:Erythropoietin