About: http://webisa.webdatacommons.org/87763425

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	Patient age was 46.3 ?? 17.9 years (mean ?? SD), and the median duration of their symptoms, including dysphagia and regurgitation, was 40 months.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com