About: http://webisa.webdatacommons.org/42489641

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	Citations are mostly review articles, beginning as early as 1996, and supplemented with searches of the recent primary research literature from 2001-June 2004.
http://www.w3.org/ns/prov#wasQuotedFrom	epa.gov