About: http://webisa.webdatacommons.org/377954262

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Symptoms can be speech disturbance, aura, vision changes such as flashes flickering lights, zigzag lines or waves, spots, stars, shimmering, colors, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	prohealth.com