About: http://webisa.webdatacommons.org/52745988

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	This permits, among other things, the patient's mouth M to be retained in an open position so that tubing, instruments, tools, dilators or other items (not shown) may be inserted through the opening 50 and into the throat of the patient.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com