About: http://webisa.webdatacommons.org/174107133

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 study is the most extensive comparison to date of the two techniques and involved 872 patients and 66 surgeons at 48 medical centers in the United States and Canada.
http://www.w3.org/ns/prov#wasQuotedFrom	sylvester.org