<http://webisa.webdatacommons.org/prov/71208990>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/237131946> .
<http://webisa.webdatacommons.org/237131946>	<http://www.w3.org/ns/prov#value>	"Estriol is a form of estrogen produced by the fetus that is present in plasma at 9 weeks of gestation." .
<http://webisa.webdatacommons.org/237131946>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/237131946>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<quizlet.com> .