About: http://webisa.webdatacommons.org/58831625

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	Control has been particularly difficult in places that depend on farming, fishing and other activities that increase occupational exposure (Kloetzel 1989, WHO 2000).
http://www.w3.org/ns/prov#wasQuotedFrom	scielo.br