Assertion: polycythemia's cause | /r/HasProperty | some heart problems
Facets:
value: in the blood
type: LOCATION
Source sentences:
text: Other causes of polycythemia include a low oxygen level in the blood (hypoxia), perinatal asphyxia, growth restriction in the womb, birth defects (such as some heart problems or kidney problems), Down syndrome, Beckwith-Wiedemann syndrome, or a large transfusion of blood from one twin to another (twin-to-twin transfusion).
text: Other causes of polycythemia include a low oxygen level in the blood (hypoxia), perinatal asphyxia, growth restriction in the womb, birth defects (such as some heart problems or kidney problems), Down syndrome, Beckwith-Wiedemann syndrome, or a large transfusion of blood from one twin to another (twin-to-twin transfusion).