About: http://webisa.webdatacommons.org/413209681

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	Men over 50 may need screening for Barrett's esophagus if they have multiple risk factors for the condition, including heartburn for more than five years, tobacco use and a high body mass index, the ACP says.
http://www.w3.org/ns/prov#wasQuotedFrom	yahoo.com