<http://webisa.webdatacommons.org/336501011>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<sciencedaily.com> .
<http://webisa.webdatacommons.org/336501011>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/336501011>	<http://www.w3.org/ns/prov#value>	"Estriol is a weak form of estrogen made by the fetal placental unit and appearing in appreciable amounts only in pregnant women." .
<http://webisa.webdatacommons.org/prov/71208990>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336501011> .