About: http://webisa.webdatacommons.org/257844148

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	Air pollution is a complex and pervasive public health problem, said John Groopman, one of the study's co-authors.
http://www.w3.org/ns/prov#wasQuotedFrom	yahoo.com