About: http://webisa.webdatacommons.org/30698009

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	To ensure that the contact between the probe membrane and the skin is maintained at a sufficient and relatively consistent pressure, the probe may be made of a compressible material, such as silicone.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es