<http://webisa.webdatacommons.org/137840061>	<http://www.w3.org/ns/prov#value>	"The sphincter, a ring of muscle, normally stays constricted when a person is not eating; that prevents acid and other digestive juice from leaving the stomach and entering the esophagus." .
<http://webisa.webdatacommons.org/prov/94788650>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/137840061> .
<http://webisa.webdatacommons.org/137840061>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<medicalxpress.com> .
<http://webisa.webdatacommons.org/137840061>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .