PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currently, conditions such as erectile dysfunction are treated with synthetic drugs, including sildenafil (commonly sold as Viagra) and tadalafil (Cialis). ???But these drugs can produce headache, muscle pain and blurred vision, and can have dangerous interactions with other medications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uoguelph.ca