title: Polycythemia and hyperviscosity syndromes in infants and children.
mesh_terms: D000367:Age Factors; D001809:Blood Viscosity; D001815:Bloodletting; D002648:Child; D002675:Child, Preschool; D004906:Erythrocyte Count; D004913:Erythrocytes, Abnormal; D006331:Heart Diseases / Q000151:congenital; D006400:Hematocrit; D006452:Hemoglobinometry; D006455:Hemoglobins, Abnormal / Q000502:physiology; D006801:Humans; D007040:Hypoventilation / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D009369:Neoplasms / Q000378:metabolism; D010952:Plasma Substitutes / Q000627:therapeutic use; D011086:Polycythemia / Q000175:diagnosis / Q000209:etiology / Q000235:genetics / Q000628:therapy; D011087:Polycythemia Vera / Q000150:complications; D013577:Syndrome; D014692:Ventilation-Perfusion Ratio
chemical_list: D006455:Hemoglobins, Abnormal; D010952:Plasma Substitutes