About: http://webisa.webdatacommons.org/424000504

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	Techniques such as radioimmunoassay (RIA), agglutination, and enzyme-linked immunosorbent assay (ELISA) require less or no concentration of the food extracts; thus, they save time and are more sensitive.
http://www.w3.org/ns/prov#wasQuotedFrom	fda.gov