Assertion: polycythemia | /r/HasProperty | due
Facets:
value: to heart disease
type: CAUSE
value: to lung
type: CAUSE
value: in this case
type: TEMPORAL
Source sentences:
text: In this case, polycythemia may be due to hypoxia or a high level of erythropoietin.
text: X-ray or ECG: This is carried out when polycythemia is due to lung or heart disease.
text: This is carried out when polycythemia is due to lung or heart disease.