About: http://webisa.webdatacommons.org/409889679

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	The ostium secundum is a true defect of ... fatigue is the most common initial presenting symptom. ... with secundum atrial septal defect during normal sinus rhythm.
http://www.w3.org/ns/prov#wasQuotedFrom	askives.com