<http://webisa.webdatacommons.org/prov/161729573>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/229572225> .
<http://webisa.webdatacommons.org/229572225>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/229572225>	<http://www.w3.org/ns/prov#value>	"Such a configuration also serves to act as an esophageal diopter, preventing fluids and other matter from passing up and being aspirated by a patient." .
<http://webisa.webdatacommons.org/229572225>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .