About: http://webisa.webdatacommons.org/227854030

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	Symptoms such as heartburn, and coughing are recorded at the time the patient feels the onset of these events and will be compared to the pH values recorded during these time periods.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com