title: Idiopathic erythrocytosis--a declining entity.
authors.affiliation: Department of Haematology, Middlemore Hospital, Auckland 6, New Zealand. HBlacklock@middlemore.co.nz
authors.forename: H A
authors.initials: HA
authors.lastname: Blacklock
authors.forename: G A
authors.initials: GA
authors.lastname: Royle
mesh_terms: D020732:Cytogenetic Analysis; D003937:Diagnosis, Differential; D004920:Erythropoiesis / Q000235:genetics; D005260:Female; D006801:Humans; D007621:Karyotyping; D011086:Polycythemia / Q000175:diagnosis* / Q000209:etiology / Q000235:genetics; D011087:Polycythemia Vera / Q000175:diagnosis / Q000209:etiology / Q000235:genetics