Assertion: tia's stroke | /r/CreatedBy | ablockage of a blood vessel
Facets:
Source sentences:
text: A stroke may be caused by (a) blockage of a blood vessel within the brain (cerebral infarction), (b) rupture of a blood vessel within the brain (cerebral haemorrhage), or (c) rupture of a blood vessel into the space surrounding the brain (subarachnoid haemorrhage).