About: http://webisa.webdatacommons.org/215700737

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 doctor should ask what types of medications and vitamin supplements exacerbate the headpain, as Migraine, unlike tension headache, can be exacerbated by vasodilators such as nitrates and medications such as oral contraceptives.
http://www.w3.org/ns/prov#wasQuotedFrom	migraines.org