Assertion: cyanosis's cause | /r/HasProperty | blockage
Facets:
value: in the veins
type: LOCATION
value: in arteries
type: LOCATION
Source sentences:
text: Possible causes include venous insufficiency, peripheral vascular disease, or blockages in the veins or arteries.
text: Possible causes include venous insufficiency, peripheral vascular disease, or blockages in the veins or arteries.