About: http://webisa.webdatacommons.org/147231527

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 methods were primitive, using herbs and other natural products, but mankind has sought to limit births for centuries.
http://www.w3.org/ns/prov#wasQuotedFrom	cnn.com