PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It seems fairly clear that oral sex is a cause, and HPV can also be transmitted through mouth-to-mouth contact, but it is not know how common this is.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stdsincolor.com