About: http://webisa.webdatacommons.org/72098966

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	The cushion is formed of soft material such as silicone, and projects rearwardly of the mask frame so as to space the rigid frame away from the patient's face.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es