About: http://webisa.webdatacommons.org/151809393

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	One aspect of migraine pain theory explains that migraine pain occurs due to waves of activity by groups of excitable brain cells, which trigger chemicals, such as serotonin to constrict blood vessels.
http://www.w3.org/ns/prov#wasQuotedFrom	crh.org