About: http://webisa.webdatacommons.org/209508025

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	Emergency contraception pills are less effective than methods of birth control you use before sex such as condoms or birth control pills.
http://www.w3.org/ns/prov#wasQuotedFrom	birth-control-comparison.info