About: http://webisa.webdatacommons.org/293489347

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	In addition, we abstracted study characteristics and demographics including trial design, funding, country of study, practice setting, number of practices and physicians, number of patients, and length of follow-up.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com