About: http://webisa.webdatacommons.org/224748571

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	They became the building block of countless significant medical advancements in the 20th century, including the polio vaccine, cancer research, virology and much more.
http://www.w3.org/ns/prov#wasQuotedFrom	latimes.com