About: http://webisa.webdatacommons.org/397911820

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	How then do you know when facial headache and pressure is due to sinusitis or allergies and when it is due to a migraine or other forms of headache?
http://www.w3.org/ns/prov#wasQuotedFrom	theasthmacenter.org