About: http://webisa.webdatacommons.org/134119940

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	O'Connor points out the study is a snapshot in time from 2010 to 2011, so further research will be needed to determine whether e-cigarettes have a positive effect on public health.
http://www.w3.org/ns/prov#wasQuotedFrom	wbfo.org