About: http://webisa.webdatacommons.org/365622382

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. 2 is a cross-section of a prior art chest drainage unit showing its basic operative features, functions and air flow pathways;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com