About: http://webisa.webdatacommons.org/353930978

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	However, there is a lack of information on whether filters prevent contamination of the breathing system by the patient.
http://www.w3.org/ns/prov#wasQuotedFrom	biomedsearch.com