About: http://webisa.webdatacommons.org/163777586

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, observed coauthor John Groopman, PhD, of Johns Hopkins Bloomberg School of Public Health.
http://www.w3.org/ns/prov#wasQuotedFrom	lef.org