About: http://webisa.webdatacommons.org/32858716

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	viagra is a anti-impotence drugs,which are approved by FDA.It is a effective medicines to cure ED or impotence.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com