About: http://webisa.webdatacommons.org/91539057

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	followed a clustered randomization of physician panels or practices, or were a comparison
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com