About: http://webisa.webdatacommons.org/443408986

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	If the muscle doesn???t close tightly enough or gets weak over time, the stomach contents can back up into the esophagus, causing heartburn and other symptoms of GERD.
http://www.w3.org/ns/prov#wasQuotedFrom	carolinashealthcare.org