About: http://webisa.webdatacommons.org/229816261

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 faceplate can take the form of a strap, wedge, donut, etc. and would preferably be made of silicone, foam or other soft material to avoid irritation of the patient's skin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com