About: http://webisa.webdatacommons.org/298303064

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	Nevertheless, other factors, notably age and wealth, showed a differential effect on smoking by sex or country income level.
http://www.w3.org/ns/prov#wasQuotedFrom	plos.org