About: http://webisa.webdatacommons.org/226535761

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	Lindh Ingela - - 2010 BACKGROUND: There is a need to improve our understanding of contraceptive use over the long term.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com