About: http://webisa.webdatacommons.org/316934059

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	Until development of a male birth control pill, besides abstinence, a vasectomy is the most effective and safe form of birth control for men.
http://www.w3.org/ns/prov#wasQuotedFrom	prostate.net