About: http://webisa.webdatacommons.org/255406168

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	Defining quality is difficult in all walks of life, particularly in medicine and especially in surgery.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com