About: http://webisa.webdatacommons.org/254608249

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	Such a study measures whether a doctor takes sicker or healthier patients, or works in ???good??? or ???bad??? areas, rather than their effectiveness as a doctor.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com