title: Pathophysiology and classification of polycythaemia.
mesh_terms: D001692:Biological Transport; D001809:Blood Viscosity; D001853:Bone Marrow / Q000502:physiology; D001854:Bone Marrow Cells; D004909:Erythrocyte Indices; D004920:Erythropoiesis; D004921:Erythropoietin / Q000502:physiology; D005246:Feedback; D005260:Female; D006400:Hematocrit; D006454:Hemoglobins / Q000502:physiology; D006801:Humans; D007668:Kidney / Q000166:cytology / Q000502:physiology; D008297:Male; D010100:Oxygen / Q000097:blood; D011086:Polycythemia / Q000097:blood / Q000145:classification / Q000503:physiopathology*
chemical_list: D006454:Hemoglobins; D004921:Erythropoietin; D010100:Oxygen