About: http://webisa.webdatacommons.org/237250604

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	as in overt paid-for space in broadcast, print and other media, or indirect, through media reporting of events or images containing
http://www.w3.org/ns/prov#wasQuotedFrom	bmj.com