About: http://webisa.webdatacommons.org/321705985

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	Research of chemical residues in food has shown that the greatest problems are presented by lead and cadmium: lead has been detected in practically all food products, while cadmium is mostly present in fish and plant products.
http://www.w3.org/ns/prov#wasQuotedFrom	unitar.org