About: http://webisa.webdatacommons.org/111227716

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	Instead, scientists use what is already known about chemical structures, results from other types of lab tests, the extent of human exposure, and other factors to select the most important chemicals for testing.
http://www.w3.org/ns/prov#wasQuotedFrom	cancer.org