About: http://webisa.webdatacommons.org/409843081

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 was a retrospective cohort analysis using administrative and medical record review data of patients undergoing major noncardiac surgery at our institution.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com