About: http://webisa.webdatacommons.org/25124443

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	According to Anthony Roberts and John Romano, writers who are pro-PED (performance enhancing drugs) and help non-clean athletes pass drug tests, steroids and other PEDs were not introduced to sports until the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom	saltyrunning.com