About: http://webisa.webdatacommons.org/420728320

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	Selection biases based on factors that are not included in the match could affect the results, especially if the biases substantially affected the clinicians??? choice of one treatment versus the other.
http://www.w3.org/ns/prov#wasQuotedFrom	jcomjournal.com