PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The CDC also reports that the withdrawal method???the third most prevalent form of birth control among survey respondents???results in unintended pregnancy for 22% of women. ???These data show a clear correlation between what women perceive to be the most effective types of birth control and what types they are actually using.
http://www.w3.org/ns/prov#wasQuotedFrom
  • midwife.org