About: http://webisa.webdatacommons.org/159684055

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	The research has demonstrated that caffeine does not stain the teeth but coloring substances in coffee do, cola and other beverages do, eaven caffeine-free products lead to changing the color of teeth.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com