About: http://webisa.webdatacommons.org/383846538

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	The effectiveness of advice to women to take folic acid supplements is limited, mainly because 50% of pregnancies are unplanned.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com