About: http://webisa.webdatacommons.org/427793631

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	???Nitrate and nitrite are precursors to N-nitroso compounds (NOCs), which induce tumors in many organs, including the bladder, in multiple animal species,??? the study says.
http://www.w3.org/ns/prov#wasQuotedFrom	rawstory.com