<http://webisa.webdatacommons.org/103653167>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/79418538>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/103653167> .
<http://webisa.webdatacommons.org/103653167>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/103653167>	<http://www.w3.org/ns/prov#value>	"Another aspect of the invention is directed towards an elbow assembly for a respiratory mask comprising an elbow, including a portion adapted to engage a gas delivery tube and another portion that is detachable and is coupled to the mask." .