About: http://webisa.webdatacommons.org/291986842

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	However, there are a number of reasons why this association and dose-response relationship cannot be interpreted as indicating a causal effect of ETS exposure including:
http://www.w3.org/ns/prov#wasQuotedFrom	liberal-vision.org