About: http://webisa.webdatacommons.org/437797311

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	??? Others said that as Viagra does not work in all cases, there is a great medical need for a new drug.
http://www.w3.org/ns/prov#wasQuotedFrom	iol.co.za