About: http://webisa.webdatacommons.org/6653905

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	In particular, nutrients found in dark-green, leafy vegetables such as spinach or kale may help to prevent age-related macular degeneration, the leading cause of blindness among Americans.
http://www.w3.org/ns/prov#wasQuotedFrom	medcentral.org