About: http://webisa.webdatacommons.org/383362895

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	The people in this study were interviewed in 1985, 1992, 1994, and 1998 about a variety of issues, including smoking and wealth.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org