About: http://webisa.webdatacommons.org/165588042

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, a professor at Johns Hopkins Bloomberg School of Public Health in the US.
http://www.w3.org/ns/prov#wasQuotedFrom	bioscholar.com