About: http://webisa.webdatacommons.org/22561781

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 same calibrated MR instrument was used for all investigations without upgrading or other changes that were uncontrolled for during the sample collection time.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca