About: http://webisa.webdatacommons.org/396719446

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	The diagnostic process also involves keeping a cluster headache log or diary to record the timing, symptoms, and the types of situations that occurred or substances that were ingested before the cluster headache occurred.
http://www.w3.org/ns/prov#wasQuotedFrom	rightdiagnosis.com