About: http://webisa.webdatacommons.org/173154143

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	Studies have concluded that supplements of beta-carotene, vitamins A, C and E, and other nutrients do not have a significant effect on smokers' risk of lung cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	raysahelian.com