About: http://webisa.webdatacommons.org/14972874

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	Inability to identify and document effects over a 50 year interval: and limiting factors such as study size, population composition and uncertain exposure levels.
http://www.w3.org/ns/prov#wasQuotedFrom	atomicvetkin.com