About: http://webisa.webdatacommons.org/130021224

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	With whole blood, readings are taken at two different wavelengths with the reading at one wavelength used to subtract out background interference caused by hematocrit, blood oxygenation, and other variables which may affect the result.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es