About: http://webisa.webdatacommons.org/292287585

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In further such embodiments, the ventilation tube (2) may include a track or attachments or other mechanism to receive the viewing tube (2) such that differently shaped viewing tubes may be attached to be customized to the patient.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com