About: http://webisa.webdatacommons.org/106531646

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	Does your headache appear without warning or are there signs of it coming, such as weakness, nausea, lightheadedness, or sensitivity to light or noise?
http://www.w3.org/ns/prov#wasQuotedFrom	medtropolis.com