About: http://webisa.webdatacommons.org/252474372

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 markers can be small dots, raised portions or other feature that surgeon can see during surgery, but, preferably, the patient cannot discern after the procedure is complete.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk