title: [Secondary erythrocytosis (classification, pathogenesis and differential diagnosis)].
mesh_terms: D003937:Diagnosis, Differential; D004890:Erythema / Q000175:diagnosis; D006801:Humans; D011086:Polycythemia / Q000145:classification* / Q000175:diagnosis / Q000209:etiology
vernacular_title: Vtorichnye eritrotsitozy (voprosy klassifikatsii, patogeneza, differentsial'noĭ diagnostiki)