About: http://webisa.webdatacommons.org/248711154

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	Dietary intake studies suggest an association between diets rich in beta-carotene and vitamin A and a lower risk of many types of cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org