About: http://webisa.webdatacommons.org/111920702

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	For tension headaches that occur less than three times a week, over-the-counter (OTC) pain relievers such as aspirin or acetaminophen are usually effective.
http://www.w3.org/ns/prov#wasQuotedFrom	medcentral.org