About: http://webisa.webdatacommons.org/386709413

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	FIG. 4 is a picture of the prior art endotracheal tube system with a bag-valve mask attached to it.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com