About: http://webisa.webdatacommons.org/28338890

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	Attention is directed to the esophagus by such symptoms as dysphagia, substernal pain during deglutition, heartburn (pyrosis), regurgitation, and hematemesis.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com