About: http://webisa.webdatacommons.org/119368149

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	Body fluids such as effluate and blood, as well as air, can be removed from the cavity by application of negative pressure or suction from outside the patient's body.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com