About: http://webisa.webdatacommons.org/146989471

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	While the actual "signal generated will vary based on parameters such as the buffer and the pH employed, these variations do not alter the usefulness of the controls for testing analytes, such as glucose.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com