About: http://webisa.webdatacommons.org/75728018

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	They aren???t found this way naturally but are formulated, or synthesized, from plant chemicals derived from plants such as yams and soy in a clinical laboratory environment.
http://www.w3.org/ns/prov#wasQuotedFrom	lde-chicago.org