<http://webisa.webdatacommons.org/prov/329252716>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/128291227> .
<http://webisa.webdatacommons.org/128291227>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/128291227>	<http://www.w3.org/ns/prov#value>	"materials, such as air, from entering the body cavity where air or other" .
<http://webisa.webdatacommons.org/128291227>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .