About: http://webisa.webdatacommons.org/224805453

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	This synthetic hormone was successfully manufactured as early as 1951, and was used in one of the first types of birth control pill to come on the market in the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com