About: http://webisa.webdatacommons.org/58081803

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.
http://www.w3.org/ns/prov#wasQuotedFrom	vodafone.co.nz