About: http://webisa.webdatacommons.org/399421851

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 CT scan is normal the most likely source of the phlegm is the upper airways, including the nose and sinuses.
http://www.w3.org/ns/prov#wasQuotedFrom	medhelp.org