About: http://webisa.webdatacommons.org/148761345

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	Headache is a common side effect that is associated with all 3 PDE5Is.
http://www.w3.org/ns/prov#wasQuotedFrom	drtanandpartners.com